patch 9.2.0443: GUI: cancelling save dialog overwrites or discards unnamed buffer

Problem:  When closing gvim with an unsaved unnamed buffer, choosing
          "Yes" in the "Save changes?" dialog and then "Cancel" in the
          file selection dialog either silently writes the buffer to a
          file named "Untitled" (overwriting any existing file with
          that name) or discards the buffer altogether
          (vibs29, after v9.1.0265).
Solution: In dialog_changed(), if browse_save_fname() leaves the buffer
          without a file name, treat it as a cancel and return without
          saving.  Also stop clearing the modified flag in the restore
          path on write failure, so the unsaved changes are kept and
          the caller (e.g. gui_shell_closed()) can also cancel the
          close.  Pre-fill the file dialog with "Untitled" to match
          the preceding "Save changes to ..." prompt.  Add a test for
          the write-failure path (Hirohito Higashi).

fixes:  #20132
closes: #20143

Signed-off-by: Hirohito Higashi <h.east.727@gmail.com>
Signed-off-by: Christian Brabandt <cb@256bit.org>

.github/MAINTAINERS

@@ -133,6 +133,7 @@ runtime/doc/xxd-ru.1					@RestorerZ
 runtime/doc/xxd-ru.UTF-8.1				@RestorerZ
 runtime/ftplugin/abaqus.vim				@costerwi
 runtime/ftplugin/abnf.vim				@A4-Tacks
+runtime/ftplugin/algol68.vim				@dkearns
 runtime/ftplugin/antlr4.vim				@jiangyinzuo
 runtime/ftplugin/apache.vim				@dubgeiser
 runtime/ftplugin/arduino.vim				@k-takata
@@ -472,6 +473,7 @@ runtime/syntax/shared/hgcommitDiff.vim			@vegerot
 runtime/syntax/abaqus.vim				@costerwi
 runtime/syntax/abnf.vim					@A4-Tacks
 runtime/syntax/aidl.vim					@dpelle
+runtime/syntax/algol68.vim				@dkearns
 runtime/syntax/amiga.vim				@sodero
 runtime/syntax/ant.vim					@dkearns
 runtime/syntax/antlr4.vim				@jiangyinzuo

.github/actions/build_vim_on_linux/action.yml

@@ -0,0 +1,324 @@
+name: Build Vim on Linux
+description: Build Vim on Linux
+
+inputs:
+  features:
+    description: Vim features
+    required: true
+  compiler:
+    description: Compiler
+    required: true
+  architecture:
+    description: Architecture
+    required: false
+  extra:
+    description: Extra flags
+    required: true
+  shadow:
+    description: Shadow directory
+    required: false
+  interface:
+    description: Interface of language interpreter
+    required: false
+  lua_ver:
+    description: Lua version
+    required: false
+  python3:
+    description: Python3 ABI type
+    required: false
+  coverage:
+    description: Enable coverage
+    required: false
+
+runs:
+  using: "composite"
+  steps:
+    - name: Check Filelist (for packaging)
+      shell: bash
+      run: |
+        echo '::group::Check Filelist (for packaging)'
+        # If any files in the repository are not listed in Filelist this will
+        # exit with an error code and list the missing entries.
+        make -f ci/unlisted.make
+        echo '::endgroup::'
+
+    - name: Check hlgroups (are any new hlgroups added, but not handled in highlight.c)
+      shell: bash
+      run: |
+        echo '::group::Check hlgroups (are any new hlgroups added, but not handled in highlight.c)'
+        # If any highlight groups have been documented, but not handled in
+        # highlight.c, nor listed as 'intentionally left out' in hlgroups.ignore,
+        # exit with an error code and list the missing entries.
+        make -C ci -f hlgroups.make
+        echo '::endgroup::'
+
+    - name: Report executable syntax tests
+      if: contains(fromJSON(inputs.extra), 'syn_test_execs')
+      shell: bash
+      run: |
+        echo '::group::Report executable syntax tests'
+        # Search and list all found executable syntax tests, and exit with
+        # an error code.
+        make -C runtime/syntax executables
+        echo '::endgroup::'
+
+    - name: Add i386 packages to dpkg
+      if: inputs.architecture == 'i386'
+      shell: bash
+      run: |
+        echo '::group::Add i386 packages to dpkg'
+        sudo dpkg --add-architecture i386
+        echo '::endgroup::'
+
+    - name: Uninstall snap
+      shell: bash
+      run: |
+        echo '::group::Uninstall snap'
+        sudo bash ci/remove_snap.sh
+        echo '::endgroup::'
+
+    - name: Enable debug packages
+      shell: bash
+      run: |
+        echo '::group::Enable debug packages'
+        # Some of the ASAN suppressions are in libraries linked with dlopen
+        # and symbolization of them requires these debug packages.
+        sudo apt install ubuntu-dbgsym-keyring
+        sudo cp ci/ddebs.list /etc/apt/sources.list.d/ddebs.list
+        sudo cp ci/pinned-pkgs /etc/apt/preferences.d/pinned-pkgs
+        echo '::endgroup::'
+
+    - name: Install packages
+      shell: bash
+      run: |
+        echo '::group::Install packages'
+        # This is added by default, and it is often broken, but we don't need anything from it
+        sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
+        PKGS=( \
+          gettext \
+          x11-utils \
+          labwc \
+          wl-clipboard \
+          wayland-utils \
+          libgtk-3-dev:${{ inputs.architecture }} \
+          libgtk-3-bin:${{ inputs.architecture }} \
+          desktop-file-utils \
+          libc6-dbgsym:${{ inputs.architecture }} \
+          libtool-bin \
+          libncurses-dev:${{ inputs.architecture }} \
+          libxt-dev:${{ inputs.architecture }} \
+          libegl-mesa0:${{ inputs.architecture }} \
+          libegl1:${{ inputs.architecture }} \
+          libegl1-mesa-dev:${{ inputs.architecture }} \
+          libepoxy-dev:${{ inputs.architecture }} \
+          libwayland-egl1:${{ inputs.architecture }} \
+          libwayland-client0:${{ inputs.architecture }} \
+          libwayland-cursor0:${{ inputs.architecture }} \
+          locales-all \
+          software-properties-common \
+        )
+        if ${{ contains(fromJSON(inputs.extra), 'asan') }} && ${{ contains(inputs.architecture, 'native') }}; then
+        PKGS+=( \
+          libepoxy0-dbgsym:${{ inputs.architecture }} \
+          libxdamage1-dbgsym:${{ inputs.architecture }} \
+          libxcb1-dbgsym:${{ inputs.architecture }} \
+          libgtk-3-bin-dbgsym:${{ inputs.architecture }} \
+          libgtk-3-0t64-dbgsym:${{ inputs.architecture }} \
+          libglib2.0-0t64-dbgsym:${{ inputs.architecture }} \
+          libglib2.0-bin-dbgsym:${{ inputs.architecture }} \
+          libglib2.0-dev-bin-dbgsym:${{ inputs.architecture }} \
+        )
+        fi
+        if ${{ inputs.features == 'huge' }}; then
+          LUA_VER=${{ inputs.lua_ver || '5.4' }}
+          PKGS+=( \
+            autoconf \
+            gdb \
+            lcov \
+            libcanberra-dev \
+            libperl-dev \
+            python3-dev \
+            liblua${LUA_VER}-dev \
+            lua${LUA_VER} \
+            ruby-dev \
+            tcl-dev \
+            cscope \
+            libsodium-dev \
+            attr \
+            libattr1-dev
+          )
+        fi
+        if ${{ contains(fromJSON(inputs.extra), 'proto') }}; then
+          PKGS+=( python3-clang )
+        fi
+        sudo apt-get update && sudo apt-get upgrade -y --allow-downgrades && sudo apt-get install -y --allow-downgrades "${PKGS[@]}"
+
+    - name: Install gcc-${{ env.GCC_VER }}
+      if: inputs.compiler == 'gcc'
+      shell: bash
+      run: |
+        echo '::group::Install gcc-${{ env.GCC_VER }}'
+        # ubuntu-toolchain-r/test PPA for gcc-13 compiler
+        # disabled because the installation failed, causing test failures
+        # sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
+        sudo apt-get update -y
+        sudo apt-get install -y gcc-${{ env.GCC_VER }}:${{ inputs.architecture }}
+        sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ env.GCC_VER }} 100
+        sudo update-alternatives --set gcc /usr/bin/gcc-${{ env.GCC_VER }}
+        echo '::endgroup::'
+
+    - name: Install clang-${{ env.CLANG_VER }}
+      if: inputs.compiler == 'clang'
+      shell: bash
+      run: |
+        echo '::group::Install clang-${{ env.CLANG_VER }}'
+        . /etc/lsb-release
+        curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor | sudo tee /usr/share/keyrings/llvm-archive-keyring.gpg > /dev/null
+        echo "Types: deb
+        URIs: https://apt.llvm.org/${DISTRIB_CODENAME}/
+        Suites: llvm-toolchain-${DISTRIB_CODENAME}-${{ env.CLANG_VER }}
+        Components: main
+        Signed-By: /usr/share/keyrings/llvm-archive-keyring.gpg" | sudo tee /etc/apt/sources.list.d/llvm-toolchain.sources > /dev/null
+        sudo apt-get update -y
+        sudo apt-get install -y clang-${{ env.CLANG_VER }} llvm-${{ env.CLANG_VER }}
+        sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${{ env.CLANG_VER }} 100
+        sudo update-alternatives --set clang /usr/bin/clang-${{ env.CLANG_VER }}
+        sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-${{ env.CLANG_VER }} 100
+        sudo update-alternatives --install /usr/bin/asan_symbolize asan_symbolize /usr/bin/asan_symbolize-${{ env.CLANG_VER }} 100
+        echo '::endgroup::'
+
+    - name: Set up environment
+      shell: bash
+      run: |
+        echo '::group::Set up environment'
+        mkdir -p "${LOG_DIR}"
+        mkdir -p "${HOME}/bin"
+        echo "${HOME}/bin" >> $GITHUB_PATH
+        (
+        echo "LINUX_VERSION=$(uname -r)"
+        echo "NPROC=$(getconf _NPROCESSORS_ONLN)"
+        echo "TMPDIR=$(mktemp -d -p /tmp)"
+
+        case "${{ inputs.features }}" in
+        tiny)
+          echo "TEST=testtiny"
+          if ${{ contains(fromJSON(inputs.extra), 'nogui') }}; then
+            CONFOPT="--disable-gui"
+          fi
+          ;;
+        normal)
+          ;;
+        huge)
+          echo "TEST=scripttests test_libvterm indenttest syntaxtest"
+          INTERFACE=${{ inputs.interface || 'yes' }}
+          if ${{ inputs.python3 == 'stable-abi' }}; then
+            PYTHON3_CONFOPT="--with-python3-stable-abi=3.8"
+          fi
+          # The ubuntu-24.04 CI runner does not provide a python2 package.
+          CONFOPT="--enable-perlinterp=${INTERFACE} --enable-pythoninterp=no --enable-python3interp=${INTERFACE} --enable-rubyinterp=${INTERFACE} --enable-luainterp=${INTERFACE} --enable-tclinterp=${INTERFACE} ${PYTHON3_CONFOPT}"
+          ;;
+        esac
+
+        if ${{ contains(fromJSON(inputs.extra), 'no_x11_wl') }}; then
+          CONFOPT="${CONFOPT} --without-x --disable-gui --without-wayland --enable-socketserver"
+        fi
+        if ${{ inputs.coverage == true }}; then
+          CFLAGS="${CFLAGS} --coverage -DUSE_GCOV_FLUSH"
+          echo "LDFLAGS=--coverage"
+        fi
+        if ${{ contains(fromJSON(inputs.extra), 'uchar') }}; then
+          CFLAGS="${CFLAGS} -funsigned-char"
+        fi
+        if ${{ contains(fromJSON(inputs.extra), 'testgui') }}; then
+          echo "TEST=-C src testgui"
+        fi
+        if ${{ contains(fromJSON(inputs.extra), 'unittests') }}; then
+          echo "TEST=unittests"
+        fi
+        if ${{ contains(fromJSON(inputs.extra), 'asan') }}; then
+          echo "SANITIZER_CFLAGS=-g -O0 -DABORT_ON_INTERNAL_ERROR -DEXITFREE -fsanitize-recover=all -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer"
+          echo "ASAN_OPTIONS=print_stacktrace=1:log_path=${LOG_DIR}/asan"
+          echo "UBSAN_OPTIONS=print_stacktrace=1:log_path=${LOG_DIR}/ubsan"
+          echo "LSAN_OPTIONS=suppressions=${GITHUB_WORKSPACE}/src/testdir/lsan-suppress.txt"
+        fi
+        if ${{ contains(fromJSON(inputs.extra), 'vimtags') }}; then
+          echo "TEST=-C runtime/doc vimtags VIMEXE=../../${SRCDIR}/vim"
+        fi
+        if ${{ contains(fromJSON(inputs.extra), 'proto') }}; then
+          echo "TEST=-C src protoclean proto"
+        fi
+        echo "CFLAGS=${CFLAGS}"
+        echo "CONFOPT=${CONFOPT}"
+        # Disables GTK attempt to integrate with the accessibility service that does run in CI.
+        echo "NO_AT_BRIDGE=1"
+        ) >> $GITHUB_ENV
+        echo '::endgroup::'
+
+    - name: Set up system
+      shell: bash
+      run: |
+        echo '::group::Set up system'
+        if [[ ${CC} = clang ]]; then
+          # Use llvm-cov instead of gcov when compiler is clang.
+          ln -fs /usr/bin/llvm-cov ${HOME}/bin/gcov
+        fi
+        sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=0
+        sudo usermod -a -G audio "${USER}"
+        sudo bash ci/setup-xvfb.sh
+        echo '::endgroup::'
+
+    - name: Check autoconf
+      if: contains(fromJSON(inputs.extra), 'unittests')
+      shell: bash
+      run: |
+        echo '::group::Check autoconf'
+        make -C src autoconf
+        echo '::endgroup::'
+
+    - name: Set up shadow dir
+      if: inputs.shadow
+      shell: bash
+      run: |
+        echo '::group::Set up shadow dir'
+        make -C src shadow
+        echo "SRCDIR=${{ inputs.shadow }}" >> $GITHUB_ENV
+        echo "SHADOWOPT=-C ${{ inputs.shadow }}" >> $GITHUB_ENV
+        echo '::endgroup::'
+
+    - name: Configure
+      shell: bash
+      run: |
+        echo '::group::Configure'
+        ./configure --with-features=${{ inputs.features }} ${CONFOPT} --enable-fail-if-missing
+        # Append various warning flags to CFLAGS.
+        sed -i -f ci/config.mk.sed ${SRCDIR}/auto/config.mk
+        sed -i -f ci/config.mk.${CC}.sed ${SRCDIR}/auto/config.mk
+        if [[ ${CC} = clang ]]; then
+          # Suppress some warnings produced by clang 12 and later.
+          sed -i -f ci/config.mk.clang-12.sed ${SRCDIR}/auto/config.mk
+        fi
+        echo '::endgroup::'
+
+    - name: Build
+      if: (!contains(fromJSON(inputs.extra), 'unittests'))
+      shell: bash
+      run: |
+        echo '::group::Build'
+        make ${SHADOWOPT} -j${NPROC}
+        echo '::endgroup::'
+
+    - name: Check version
+      if: (!contains(fromJSON(inputs.extra), 'unittests'))
+      shell: bash
+      run: |
+        echo '::group::Check version'
+        "${SRCDIR}"/vim --version
+        "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
+        "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit
+        if ${{ inputs.features == 'huge' }}; then
+          # Also check that optional and dynamic features are configured and working
+          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 \
+            -c "let g:required=['gettext', 'sodium', 'sound', 'perl', 'python3', 'lua', 'ruby', 'tcl']" \
+            -S ci/if_feat_check.vim -c quit
+        fi
+        echo '::endgroup::'

.github/actions/test_artifacts/action.yml

@@ -1,10 +1,10 @@
-name: 'test_artifacts'
+name: "test_artifacts"
 description: "Upload failed test artifacts"
 runs:
   using: "composite"
   steps:
     - name: Collect matrix properties for naming
-      uses: actions/github-script@v8
+      uses: actions/github-script@v9
       id: matrix-props
       env:
         MATRIX_PROPS: ${{ toJSON(matrix) }}
@@ -40,9 +40,10 @@ runs:
         # A file, directory or wildcard pattern that describes what
         # to upload.
         path: |
-         ${{ github.workspace }}/runtime/indent/testdir/*.fail
-         ${{ github.workspace }}/runtime/syntax/testdir/failed/*
-         ${{ github.workspace }}/src/testdir/failed/*
+          ${{ github.workspace }}/logs/**/*.symbolized
+          ${{ github.workspace }}/runtime/indent/testdir/*.fail
+          ${{ github.workspace }}/runtime/syntax/testdir/failed/*
+          ${{ github.workspace }}/src/testdir/failed/*
         # The desired behavior if no files are found using the
         # provided path.
         if-no-files-found: ignore

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: GitHub CI
 
 on:
   push:
-    branches: ['**']
+    branches: ["**"]
   pull_request:
 
 # Cancels all previous workflow runs for pull requests that have not completed.
@@ -28,7 +28,7 @@ jobs:
       LEAK_CFLAGS: -DEXITFREE
       LOG_DIR: ${{ github.workspace }}/logs
       TERM: xterm
-      DISPLAY: ':99'
+      DISPLAY: ":99"
       DEBIAN_FRONTEND: noninteractive
 
     strategy:
@@ -67,12 +67,6 @@ jobs:
             coverage: true
             interface: dynamic
             extra: [uchar, testgui]
-          - features: huge
-            compiler: clang
-            # Lua5.1 is the most widely used version (since it's what LuaJIT is
-            # compatible with), so ensure it works
-            lua_ver: '5.1'
-            extra: [asan]
           - features: huge
             compiler: gcc
             coverage: true
@@ -90,254 +84,26 @@ jobs:
             extra: [no_x11_wl]
 
     steps:
-      - name: Checkout repository from github
+      - name: Checkout repository from GitHub
         uses: actions/checkout@v6
 
-      - name: Check Filelist (for packaging)
-        run: |
-          # If any files in the repository are not listed in Filelist this will
-          # exit with an error code and list the missing entries.
-          make -f ci/unlisted.make
-
-      - name: Check hlgroups (are any new hlgroups added, but not handled in highlight.c)
-        run: |
-          # If any highlight groups have been documented, but not handled in
-          # highlight.c, nor listed as 'intentionally left out' in hlgroups.ignore,
-          # exit with an error code and list the missing entries.
-          make -C ci -f hlgroups.make
-
-      - name: Report executable syntax tests
-        if: contains(matrix.extra, 'syn_test_execs')
-        run: |
-          # Search and list all found executable syntax tests, and exit with
-          # an error code.
-          make -C runtime/syntax executables
-
-      - run: sudo dpkg --add-architecture i386
-        if: matrix.architecture == 'i386'
-
-      - name: Uninstall snap
-        run: |
-          sudo bash ci/remove_snap.sh
-
-      - name: Enable debug packages
-        run: |
-          # Some of the ASAN suppressions are in libraries linked with dlopen
-          # and symbolization of them requires these debug packages.
-          sudo apt install ubuntu-dbgsym-keyring
-          sudo cp ci/ddebs.list /etc/apt/sources.list.d/ddebs.list
-          sudo cp ci/pinned-pkgs /etc/apt/preferences.d/pinned-pkgs
-
-      - name: Install packages
-        run: |
-          # This is added by default, and it is often broken, but we don't need anything from it
-          sudo rm -f /etc/apt/sources.list.d/microsoft-prod.list
-          PKGS=( \
-            gettext \
-            x11-utils \
-            labwc \
-            wl-clipboard \
-            wayland-utils \
-            libgtk-3-dev:${{ matrix.architecture }} \
-            libgtk-3-bin:${{ matrix.architecture }} \
-            desktop-file-utils \
-            libc6-dbgsym:${{ matrix.architecture }} \
-            libtool-bin \
-            libncurses-dev:${{ matrix.architecture }} \
-            libxt-dev:${{ matrix.architecture }} \
-            libegl-mesa0:${{ matrix.architecture }} \
-            libegl1:${{ matrix.architecture }} \
-            libegl1-mesa-dev:${{ matrix.architecture }} \
-            libepoxy-dev:${{ matrix.architecture }} \
-            libwayland-egl1:${{ matrix.architecture }} \
-            libwayland-client0:${{ matrix.architecture }} \
-            libwayland-cursor0:${{ matrix.architecture }} \
-            locales-all \
-            software-properties-common \
-          )
-          if ${{ contains(matrix.extra, 'asan') }} && ${{ contains(matrix.architecture, 'native') }}; then
-          PKGS+=( \
-            libepoxy0-dbgsym:${{ matrix.architecture }} \
-            libxdamage1-dbgsym:${{ matrix.architecture }} \
-            libxcb1-dbgsym:${{ matrix.architecture }} \
-            libgtk-3-bin-dbgsym:${{ matrix.architecture }} \
-            libgtk-3-0t64-dbgsym:${{ matrix.architecture }} \
-            libglib2.0-0t64-dbgsym:${{ matrix.architecture }} \
-            libglib2.0-bin-dbgsym:${{ matrix.architecture }} \
-            libglib2.0-dev-bin-dbgsym:${{ matrix.architecture }} \
-          )
-          fi
-          if ${{ matrix.features == 'huge' }}; then
-            LUA_VER=${{ matrix.lua_ver || '5.4' }}
-            PKGS+=( \
-              autoconf \
-              gdb \
-              lcov \
-              libcanberra-dev \
-              libperl-dev \
-              python3-dev \
-              liblua${LUA_VER}-dev \
-              lua${LUA_VER} \
-              ruby-dev \
-              tcl-dev \
-              cscope \
-              libsodium-dev \
-              attr \
-              libattr1-dev
-            )
-          fi
-          if ${{ contains(matrix.extra, 'proto') }}; then
-            PKGS+=( python3-clang )
-          fi
-          sudo apt-get update && sudo apt-get upgrade -y --allow-downgrades && sudo apt-get install -y --allow-downgrades "${PKGS[@]}"
-
-      - name: Install gcc-${{ env.GCC_VER }}
-        if:  matrix.compiler == 'gcc'
-        run: |
-          # ubuntu-toolchain-r/test PPA for gcc-13 compiler
-          # disabled because the installation failed, causing test failures
-          # sudo add-apt-repository ppa:ubuntu-toolchain-r/test -y
-          sudo apt-get update -y
-          sudo apt-get install -y gcc-${{ env.GCC_VER }}:${{ matrix.architecture }}
-          sudo update-alternatives --install /usr/bin/gcc gcc /usr/bin/gcc-${{ env.GCC_VER }} 100
-          sudo update-alternatives --set gcc /usr/bin/gcc-${{ env.GCC_VER }}
-
-      - name: Install clang-${{ env.CLANG_VER }}
-        if: matrix.compiler == 'clang'
-        run: |
-          . /etc/lsb-release
-          curl -fsSL https://apt.llvm.org/llvm-snapshot.gpg.key | gpg --dearmor | sudo tee /usr/share/keyrings/llvm-archive-keyring.gpg > /dev/null
-          echo "Types: deb
-          URIs: https://apt.llvm.org/${DISTRIB_CODENAME}/
-          Suites: llvm-toolchain-${DISTRIB_CODENAME}-${{ env.CLANG_VER }}
-          Components: main
-          Signed-By: /usr/share/keyrings/llvm-archive-keyring.gpg" | sudo tee /etc/apt/sources.list.d/llvm-toolchain.sources > /dev/null
-          sudo apt-get update -y
-          sudo apt-get install -y clang-${{ env.CLANG_VER }} llvm-${{ env.CLANG_VER }}
-          sudo update-alternatives --install /usr/bin/clang clang /usr/bin/clang-${{ env.CLANG_VER }} 100
-          sudo update-alternatives --set clang /usr/bin/clang-${{ env.CLANG_VER }}
-          sudo update-alternatives --install /usr/bin/llvm-cov llvm-cov /usr/bin/llvm-cov-${{ env.CLANG_VER }} 100
-          sudo update-alternatives --install /usr/bin/asan_symbolize asan_symbolize /usr/bin/asan_symbolize-${{ env.CLANG_VER }} 100
-
-      - name: Set up environment
-        run: |
-          mkdir -p "${LOG_DIR}"
-          mkdir -p "${HOME}/bin"
-          echo "${HOME}/bin" >> $GITHUB_PATH
-          (
-          echo "LINUX_VERSION=$(uname -r)"
-          echo "NPROC=$(getconf _NPROCESSORS_ONLN)"
-          echo "TMPDIR=$(mktemp -d -p /tmp)"
-
-          case "${{ matrix.features }}" in
-          tiny)
-            echo "TEST=testtiny"
-            if ${{ contains(matrix.extra, 'nogui') }}; then
-              CONFOPT="--disable-gui"
-            fi
-            ;;
-          normal)
-            ;;
-          huge)
-            echo "TEST=scripttests test_libvterm indenttest syntaxtest"
-            INTERFACE=${{ matrix.interface || 'yes' }}
-            if ${{ matrix.python3 == 'stable-abi' }}; then
-              PYTHON3_CONFOPT="--with-python3-stable-abi=3.8"
-            fi
-            # The ubuntu-24.04 CI runner does not provide a python2 package.
-            CONFOPT="--enable-perlinterp=${INTERFACE} --enable-pythoninterp=no --enable-python3interp=${INTERFACE} --enable-rubyinterp=${INTERFACE} --enable-luainterp=${INTERFACE} --enable-tclinterp=${INTERFACE} ${PYTHON3_CONFOPT}"
-            ;;
-          esac
-
-          if ${{ contains(matrix.extra, 'no_x11_wl') }}; then
-            CONFOPT="${CONFOPT} --without-x --disable-gui --without-wayland --enable-socketserver"
-          fi
-          if ${{ matrix.coverage == true }}; then
-            CFLAGS="${CFLAGS} --coverage -DUSE_GCOV_FLUSH"
-            echo "LDFLAGS=--coverage"
-          fi
-          if ${{ contains(matrix.extra, 'uchar') }}; then
-            CFLAGS="${CFLAGS} -funsigned-char"
-          fi
-          if ${{ contains(matrix.extra, 'testgui') }}; then
-            echo "TEST=-C src testgui"
-          fi
-          if ${{ contains(matrix.extra, 'unittests') }}; then
-            echo "TEST=unittests"
-          fi
-          if ${{ contains(matrix.extra, 'asan') }}; then
-            echo "SANITIZER_CFLAGS=-g -O0 -DABORT_ON_INTERNAL_ERROR -DEXITFREE -fsanitize-recover=all -fsanitize=address -fsanitize=undefined -fno-omit-frame-pointer"
-            echo "ASAN_OPTIONS=print_stacktrace=1:log_path=${LOG_DIR}/asan"
-            echo "UBSAN_OPTIONS=print_stacktrace=1:log_path=${LOG_DIR}/ubsan"
-            echo "LSAN_OPTIONS=suppressions=${GITHUB_WORKSPACE}/src/testdir/lsan-suppress.txt"
-          fi
-          if ${{ contains(matrix.extra, 'vimtags') }}; then
-            echo "TEST=-C runtime/doc vimtags VIMEXE=../../${SRCDIR}/vim"
-          fi
-          if ${{ contains(matrix.extra, 'proto') }}; then
-            echo "TEST=-C src protoclean proto"
-          fi
-          echo "CFLAGS=${CFLAGS}"
-          echo "CONFOPT=${CONFOPT}"
-          # Disables GTK attempt to integrate with the accessibility service that does run in CI.
-          echo "NO_AT_BRIDGE=1"
-          ) >> $GITHUB_ENV
-
-      - name: Set up system
-        run: |
-          if [[ ${CC} = clang ]]; then
-            # Use llvm-cov instead of gcov when compiler is clang.
-            ln -fs /usr/bin/llvm-cov ${HOME}/bin/gcov
-          fi
-          sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=0
-          sudo usermod -a -G audio "${USER}"
-          sudo bash ci/setup-xvfb.sh
-
-      - name: Check autoconf
-        if: contains(matrix.extra, 'unittests')
-        run: |
-          make -C src autoconf
-
-      - name: Set up shadow dir
-        if: matrix.shadow
-        run: |
-          make -C src shadow
-          echo "SRCDIR=${{ matrix.shadow }}" >> $GITHUB_ENV
-          echo "SHADOWOPT=-C ${{ matrix.shadow }}" >> $GITHUB_ENV
-
-      - name: Configure
-        run: |
-          ./configure --with-features=${{ matrix.features }} ${CONFOPT} --enable-fail-if-missing
-          # Append various warning flags to CFLAGS.
-          sed -i -f ci/config.mk.sed ${SRCDIR}/auto/config.mk
-          sed -i -f ci/config.mk.${CC}.sed ${SRCDIR}/auto/config.mk
-          if [[ ${CC} = clang ]]; then
-            # Suppress some warnings produced by clang 12 and later.
-            sed -i -f ci/config.mk.clang-12.sed ${SRCDIR}/auto/config.mk
-          fi
-
       - name: Build
-        if: (!contains(matrix.extra, 'unittests'))
-        run: |
-          make ${SHADOWOPT} -j${NPROC}
-
-      - name: Check version
-        if: (!contains(matrix.extra, 'unittests'))
-        run: |
-          "${SRCDIR}"/vim --version
-          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-1.vim -c quit
-          "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 -S ci/if_ver-2.vim -c quit
-          if ${{ matrix.features == 'huge' }}; then
-            # Also check that optional and dynamic features are configured and working
-            "${SRCDIR}"/vim -u NONE -i NONE --not-a-term -esNX -V1 \
-              -c "let g:required=['gettext', 'sodium', 'sound', 'perl', 'python3', 'lua', 'ruby', 'tcl']" \
-              -S ci/if_feat_check.vim -c quit
-          fi
+        timeout-minutes: 15
+        uses: ./.github/actions/build_vim_on_linux
+        with:
+          features: ${{ matrix.features }}
+          compiler: ${{ matrix.compiler }}
+          architecture: ${{ matrix.architecture }}
+          extra: ${{ toJSON(matrix.extra) }}
+          shadow: ${{ matrix.shadow }}
+          interface: ${{ matrix.interface }}
+          lua_ver: ${{ matrix.lua_ver }}
+          python3: ${{ matrix.python3 }}
+          coverage: ${{ matrix.coverage }}
 
       - name: Test
-        timeout-minutes: 45
-        run: |
-          make ${SHADOWOPT} ${TEST}
+        timeout-minutes: 20
+        run: make ${SHADOWOPT} ${TEST}
 
       # Enable to debug failing tests live and ssh into the CI runners
       # - name: Setup tmate session
@@ -346,7 +112,8 @@ jobs:
       #   with:
       #     limit-access-to-actor: true
 
-      - if: ${{ !cancelled() }}
+      - name: Upload failed test artifacts
+        if: ${{ !cancelled() }}
         uses: ./.github/actions/test_artifacts
 
       - name: Vim tags
@@ -410,15 +177,73 @@ jobs:
           flags: linux,${{ matrix.features }}-${{ matrix.compiler }}-${{ join(matrix.extra, '-') }}
           token: ${{ secrets.CODECOV_TOKEN }}
 
+  linux-asan:
+    runs-on: ubuntu-24.04
+
+    env:
+      CC: clang
+      CLANG_VER: 21
+      SRCDIR: ./src
+      LEAK_CFLAGS: -DEXITFREE
+      LOG_DIR: ${{ github.workspace }}/logs
+      TERM: xterm
+      DISPLAY: ":99"
+      DEBIAN_FRONTEND: noninteractive
+
+    strategy:
+      fail-fast: false
+      matrix:
+        testset:
+          - tinytests
+          - newtests.1
+          - newtests.2
+
+    steps:
+      - name: Checkout repository from GitHub
+        uses: actions/checkout@v6
+
+      - name: Build
+        timeout-minutes: 15
+        uses: ./.github/actions/build_vim_on_linux
+        with:
+          features: huge
+          compiler: clang
+          extra: '["asan"]'
+          # Lua5.1 is the most widely used version (since it's what LuaJIT is
+          # compatible with), so ensure it works
+          lua_ver: "5.1"
+
+      - name: Test (tinytests)
+        if: matrix.testset == 'tinytests'
+        timeout-minutes: 20
+        run: make ${TEST} NEW_TESTS_RES=
+
+      - name: Test (newtests)
+        if: startsWith(matrix.testset, 'newtests')
+        timeout-minutes: 20
+        env:
+          JOB_INDEX: ${{ strategy.job-index }}
+          JOB_TOTAL: ${{ strategy.job-total }}
+        run: |
+          set -x
+          make -C src/testdir SCRIPTS_TINY_OUT= \
+            NEW_TESTS_RES="$(python3 ci/gen_testset.py $((JOB_TOTAL-1)) | jq -r --argjson i $((JOB_INDEX-1)) '.[$i]|join(" ")')"
+
       - name: ASan logs
-        if: contains(matrix.extra, 'asan') && !cancelled()
+        if: ${{ !cancelled() }}
         run: |
           for f in $(grep -lR '#[[:digit:]]* *0x[[:xdigit:]]*' "${LOG_DIR}"); do
-            echo "$f"
-            asan_symbolize -l "$f"
+            (
+              echo "$f"
+              asan_symbolize -l "$f"
+            ) | tee "$f".symbolized
             false # in order to fail a job
           done
 
+      - name: Upload failed test artifacts
+        if: ${{ !cancelled() }}
+        uses: ./.github/actions/test_artifacts
+
   macos:
     runs-on: ${{ matrix.runner }}
 
@@ -436,7 +261,7 @@ jobs:
         runner: [macos-15-intel, macos-26]
 
     steps:
-      - name: Checkout repository from github
+      - name: Checkout repository from GitHub
         uses: actions/checkout@v6
 
       - name: Install packages
@@ -503,7 +328,8 @@ jobs:
         run: |
           make ${TEST}
 
-      - if: ${{ !cancelled() }}
+      - name: Upload failed test artifacts
+        if: ${{ !cancelled() }}
         uses: ./.github/actions/test_artifacts
 
   windows:
@@ -513,7 +339,7 @@ jobs:
       # Interfaces
       # Lua
       LUA_VER: 54
-      LUA_VER_DOT: '5.4'
+      LUA_VER_DOT: "5.4"
       LUA_RELEASE: 5.4.2
       LUA32_URL: https://downloads.sourceforge.net/luabinaries/lua-%LUA_RELEASE%_Win32_dllw6_lib.zip
       LUA64_URL: https://downloads.sourceforge.net/luabinaries/lua-%LUA_RELEASE%_Win64_dllw6_lib.zip
@@ -522,16 +348,16 @@ jobs:
       LUA_DIR_SLASH: D:/Lua
       # Python 2
       PYTHON_VER: 27
-      PYTHON_VER_DOT: '2.7'
+      PYTHON_VER_DOT: "2.7"
       PYTHON_DIR: 'C:\Python27'
       # Python 3
       PYTHON3_VER: 313
-      PYTHON3_VER_DOT: '3.13'
+      PYTHON3_VER_DOT: "3.13"
       # Other dependencies
       # winpty
       WINPTY_URL: https://github.com/rprichard/winpty/releases/download/0.4.3/winpty-0.4.3-msvc2015.zip
       # libsodium
-      SODIUM_VER: '1.0.20'
+      SODIUM_VER: "1.0.20"
       # SODIUM_MSVC_URL: https://download.libsodium.org/libsodium/releases/libsodium-%SODIUM_VER%-stable-msvc.zip
       SODIUM_MSVC_URL: https://github.com/jedisct1/libsodium/releases/download/%SODIUM_VER%-RELEASE/libsodium-%SODIUM_VER%-msvc.zip
       SODIUM_MSVC_VER: v143
@@ -609,7 +435,7 @@ jobs:
           echo "SODIUM_DIR=${SODIUM_DIR}" >> $GITHUB_ENV
           echo "GETTEXT_PATH=D:\gettext${{ matrix.arch == 'x64' && '64' || '32' }}" >> $GITHUB_ENV
 
-      - uses: msys2/setup-msys2@v2
+      - uses: msys2/setup-msys2@v2.31.1
         if: matrix.toolchain == 'mingw'
         with:
           update: true
@@ -619,7 +445,7 @@ jobs:
           msystem: ${{ env.MSYSTEM }}
           release: false
 
-      - name: Checkout repository from github
+      - name: Checkout repository from GitHub
         uses: actions/checkout@v6
 
       - name: Create a list of download URLs
@@ -633,7 +459,7 @@ jobs:
           echo %GETTEXT64_URL%>> urls.txt
 
       - name: Cache downloaded files
-        uses: actions/cache@v5
+        uses: actions/cache@v5.0.5
         with:
           path: downloads
           key: ${{ runner.os }}-${{ matrix.arch }}-${{ hashFiles('urls.txt') }}
@@ -833,7 +659,8 @@ jobs:
             nmake -nologo -f Make_mvc.mak tiny VIMPROG=..\vim  || exit 1
           )
 
-      - if: ${{ !cancelled() }}
+      - name: Upload failed test artifacts
+        if: ${{ !cancelled() }}
         uses: ./.github/actions/test_artifacts
 
       - name: Generate gcov files

.github/workflows/codeql-analysis.yml

@@ -48,7 +48,7 @@ jobs:
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL
-      uses: github/codeql-action/init@v4
+      uses: github/codeql-action/init@v4.35.2
       with:
         languages: ${{ matrix.language }}
         # If you wish to specify custom queries, you can do so here or in a config file.
@@ -59,7 +59,7 @@ jobs:
     # Autobuild attempts to build any compiled languages  (C/C++, C#, or Java).
     # If this step fails, then you should remove it and run the build manually (see below)
     - name: Autobuild
-      uses: github/codeql-action/autobuild@v4
+      uses: github/codeql-action/autobuild@v4.35.2
 
     # ℹ️ Command-line programs to run using the OS shell.
     # 📚 https://git.io/JvXDl
@@ -73,4 +73,4 @@ jobs:
     #   make release
 
     - name: Perform CodeQL Analysis
-      uses: github/codeql-action/analyze@v4
+      uses: github/codeql-action/analyze@v4.35.2

AGENTS.md

@@ -0,0 +1,325 @@
+# AGENTS.md
+
+Guidance for AI coding agents working in the Vim repository.
+
+## Project
+
+Vim is a text editor written in C. The canonical repository is
+https://github.com/vim/vim. The code is old and has grown organically over
+the past 30+ years. Some files are vendored from upstream projects
+(`src/xdiff`, `src/libvterm`); parts of the runtime are occasionally shared
+with forks like Neovim.
+
+Vim strives to be portable across several different operating systems and
+aims to be a stable, robust editor gradually developing new features while
+remaining backwards compatible as much as possible.
+
+At the same time, Vim can be compiled with different feature sets, from the
+POSIX compatible minimal vi to a full-fledged GUI editor which includes
+additional scripting interfaces.
+
+See `runtime/doc/develop.txt` for the high level design goals.
+
+## Build and test
+
+    # Full build on Unix/Linux (from src/):
+    make
+
+    # Run the full test suite:
+    make test
+
+    # Generate proto files
+    make proto
+
+    # Run a single test file:
+    cd src/testdir && make test_name.res
+
+Output is in testdir/messages and testdir/test.log
+
+Builds on Windows depend on the Environment, see `src/INSTALLpc.txt`
+for Cygwin/MSYS and MSVC ways to build Vim
+
+Before submitting any patch, at minimum:
+1. The build succeeds without new warnings.
+2. Relevant tests pass.
+3. The code matches the style of the file being edited.
+
+## Layout
+
+- `src/` - the C source. Subsystem names are usually obvious from filenames
+  (`buffer.c`, `window.c`, `search.c`, `vim9compile.c`, etc.).
+- `src/proto/` - function prototypes, one `.pro` file per source file.
+  Regenerated; do not hand-edit unless you know what you're doing.
+- `src/po` - Translations
+- `src/xxd` - for the xxd subproject
+- `src/xdiff` - for the xdiff library (imported from git)
+- `src/libvterm` - for the libvterm library
+- `src/testdir/` - tests. Vim-script files named `test_*.vim`.
+  Screendump expected output lives in `src/testdir/dumps/`.
+- `runtime/doc/` - user-facing documentation in Vim help format, when updating,
+  also update the Last Change header
+- `runtime/syntax/generator` - Syntax script for Vim Script, automatically generated
+  from Vims source
+- `runtime/`  - runtime files shipped with Vim, when updating, also update the
+  Last Change header and a short description if this file has no maintainer
+  If the file has a maintainer, changes should go via them (so make a merge
+  request against the upstream repo instead)
+- `src/version.c` - contains the `included_patches[]` list. Every
+  patch touching anything below `src/` (with the exception of `src/po`) needs a
+  new entry at the top, will be updated only when merging into
+  the master tree.
+
+## Commit format
+
+Vim uses a strict commit message format. The subject line is a
+one-sentence **problem statement**, not a description of the fix:
+
+    patch 9.2.NNNN: short description of the problem
+
+    Problem:  Restatement of the problem as a full sentence, possibly
+              with a reporter attribution in parentheses.
+    Solution: Short description of the fix, ending with the author's
+              name in parentheses.
+
+    optional longer description of the problem and solution goes here in prose.
+    Do not use bullet points.
+
+    fixes:   #NNNN
+    related: #NNNN
+    closes:  #NNNN
+
+    Co-authored-by: Name
+    Signed-off-by: Author Name <email>
+
+Rules:
+
+- **Subject line states the problem**, not the solution. "fix typo" is
+  wrong; "typo in foo() causes OOB read" is right.
+- **Problem line is a full sentence with a trailing period.** It mirrors
+  the subject.
+- **Solution line ends with `(Author Name)`** — parentheses, period
+  after them.
+- **Longer prose**, if any, goes after the Problem/Solution header
+- **`fixes:` references the issue** the patch fixes.
+  **`closes:` references the PR** that introduces the fix.
+  **`related:` references related issues**, including issues that caused this
+  one.
+  All can appear. Colon, aligned, no trailing period.
+- **`Signed-off-by:` is required** — DCO.
+- **`Co-Authored-By:` is allowed** and is the accepted way to
+  acknowledge AI assistance transparently. Human
+  coauthors should usually also have their own Signed-off-by.
+
+## C code conventions
+
+- **Indentation is 4 spaces per level.** Existing files use tabs with
+  `ts=8 sts=4 sw=4 noet` (set by the modeline in the file),
+  so tabs of width 8 appear where two levels of indent collapse. `sign.c`,
+  `sound.c`, and any new file must use spaces only and follow the style from
+  the .editorconfig file.
+- **Opening braces go on their own line (Allman style)** — for function
+  definitions and for control-flow constructs (`if`/`else`/`for`/`while`/
+  `do`) alike.
+- **Function definitions**: return type on its own indented line, with
+  the function name beginning on the next line.
+- Initialize locals where a reader cannot trivially see the first
+  assignment (common for pointers and return-value accumulators).
+  Don't add `= 0` initializers for values that are always assigned
+  before use — they can hide real uninitialized-read bugs from
+  the compiler.
+- `for (int i = 0; ...)` loop declarations are fine in files that
+  use them; older files may declare the counter at the top of the
+  block.
+- **Function-scope declarations at the top of a block** is the historical
+  style, but mid-block declarations are acceptable in files that have
+  adopted them. Match the surrounding code.
+- **Custom types end in `_T`** (e.g., `buf_T`, `linenr_T`, `pos_T`).
+  Never use `_t` — it collides with POSIX typedefs.
+- **C language is C95 plus specific C99 features**: `//` comments,
+  mixed declarations and statements, `__func__`, `bool`/`_Bool`,
+  variadic macros, compound literals, `static inline`, trailing enum
+  commas. Do not reach for later C standards — Vim still must build
+  with Compaq C on OpenVMS. See `*assumptions-C-compiler*` in
+  `develop.txt` for the full list.
+- **`bool` / `true` / `false` are acceptable.** Vim is transitioning
+  from `int` with `TRUE`/`FALSE` to C99 `bool`. Do not "fix" `bool`
+  back to `int`. Within a single patch, be consistent — don't mix
+  `true` and `TRUE` in new code.
+- **Do not mass-convert** `TRUE`/`FALSE` to `true`/`false` across files
+  unless that is the patch's explicit purpose. Opportunistic
+  conversions create noise in diffs.
+- **`STRLEN_LITERAL("...")`** should be used when the length of a
+  string literal is needed. Avoid `STRLEN()` on literals.
+- **`vim_snprintf_safelen()`** returns the written length; prefer it
+  over `vim_snprintf()` when the length is then needed.
+- **Prefer `dict_add_string_len()`** when the string length is already
+  known, over `dict_add_string()` which calls `STRLEN()`.
+- **String/buffer parameters go `(char_u *buf, size_t buflen)`** —
+  length alongside pointer, in bytes. Use `size_t` for byte counts,
+  `int` only where required by legacy APIs.
+- **Guards before divisions.** Check for divisor zero explicitly, even
+  when a composite earlier guard would prevent it. Relying on
+  transitive guards is fragile.
+- When introducing new allocations, verify the cleanup paths handle all exit
+  conditions (early return, error branches, etc).
+
+**Use Vim wrappers instead of libc where one exists:**
+
+| libc          | Vim                    | Why                         |
+|---------------|------------------------|-----------------------------|
+| `free()`      | `vim_free()`           | Tolerates NULL              |
+| `malloc()`    | `alloc()` / `lalloc()` | Checks for OOM              |
+| `strcpy()`    | `STRCPY()`             | Cast for `char_u *`         |
+| `strchr()`    | `vim_strchr()`         | Handles special characters  |
+| `strrchr()`   | `vim_strrchr()`        | Handles special characters  |
+| `memcpy()`    | `mch_memmove()`        | Handles overlapping copies  |
+| `bcopy()`     | `mch_memmove()`        | Handles overlapping copies  |
+| `memset()`    | `vim_memset()`         | Uniform across systems      |
+| `isspace()`   | `vim_isspace()`        | Handles bytes > 127         |
+| `iswhite()`   | `vim_iswhite()`        | TRUE only for tab and space |
+
+Further rules, not spelled out here, live in `runtime/doc/develop.txt`:
+
+- `*style-names*` — reserved name patterns (`is*`, `to*`, `str*`, `mem*`,
+  `wcs*`, `.*_t`, `__.*`), forbidden identifiers (`delete`, `this`, `new`,
+  `time`, `index`), and the 31-character function-name limit.
+- `*style-spaces*`, `*style-examples*` — spacing and one-statement-per-line.
+- `*style-various*` — `FEAT_` feature prefix, uppercase `#define`,
+  `#ifdef HAVE_X` rather than `#if HAVE_X`, no `'\"'`.
+- `*assumptions-makefiles*` — POSIX.1-2001 `make` only in the main
+  Makefiles (no `%` rules, `:=`, `.ONESHELL`, GNU conditionals).
+- Vim uses `char_u` instead of `char` type
+- Vim uses the macros `STRLEN`, `STRCPY`, `STRCMP`, `STRCAT` that work
+  with the `char_u` type.
+- `*style-clang-format*` — `sign.c` and `sound.c` are formatted with
+  `clang-format`; re-run it after editing those files.
+
+## Vim9 script conventions (in tests and runtime files)
+
+- Write modern Vim style (new files can use Vim9 script, but compatibility
+  with Neovim and other forks is a concern, so in doubt please ask!)
+- **Drop `l:` prefix from local variables** in Vim-script tests.
+- **Don't add `CheckFeature` inside individual tests** if it's already
+  at the top of the file.
+- If a test file doesn't gate features at the top, add CheckFeature to
+  individual tests that depend on specific build features.
+
+## Test conventions
+
+- Tests are in `src/testdir/test_*.vim`.
+- Reproducible tests beat "it doesn't crash" tests. If a patch fixes
+  a rendering bug, add a screendump test. If it fixes incorrect output,
+  assert the output.
+- Add comprehensive tests for newly added features and include them
+  in existing tests if possible
+- **Screendump tests** use `CheckScreendump`, `RunVimInTerminal`,
+  `VerifyScreenDump`, and live dumps in `src/testdir/dumps/`.
+- `v9.CheckScriptSuccess(lines)` / `v9.CheckScriptFailure(lines, error, lnum)`
+  are the standard way to test Vim9 script behavior at script-load time.
+- When fixing a bug reported as an issue, include a test that
+  reproduces the original report, not just a minimal synthetic case.
+- Tests for Syntax runtime are in `runtime/syntax/testdir`
+- Tests for Indent runtime are in `runtime/indent/testdir`
+
+## Common gotchas
+
+- **Distinguish what code enforces from what docs claim.** If a patch
+  changes documented behavior, say so in the Problem/Solution.
+- **Generated files** (`src/auto/configure`, generated Wayland protocol
+  C, etc.) should only be regenerated when their source changes.
+  Mixing unrelated regeneration into a functional patch creates noise.
+
+## Documentation
+
+- User-facing option or feature changes require a `runtime/doc/*.txt`
+  update in the same patch.
+- When editing an existing help file, bump the `Last change:` header
+  at the top.
+
+### Help file style
+
+See `runtime/doc/helphelp.txt` (`*help-writing*`) for the authoritative
+reference. Key conventions:
+
+- **File header**: first line is `*filename.txt*` then a tab then a
+  short description. That description appears under `LOCAL ADDITIONS`
+  in `help.txt`. The version and `Last change:` date go on the second
+  line, right aligned.
+- **Modeline**: every help file ends with a Vim modeline — typically
+  `vim:tw=78:ts=8:noet:ft=help:norl:`.
+- **Layout**: `'textwidth'` 78, `'tabstop'` 8, indent and align with
+  tab characters. Two spaces between sentences. Run `:retab`
+  (not `:retab!`, and review the diff) after editing.
+- **Tags** are defined as `*tag-name*`, usually right-aligned on the
+  line where the thing they name is introduced. Tag names must be
+  unique across all of `runtime/doc/`; for plugin help, prefix with
+  the plugin name.
+- **Cross-references inside help text**:
+    - `|tag-name|` — hot-link to an existing tag.
+    - `` `:cmd` `` — Ex command, highlighted as a code block.
+    - `'option'` — option name, in single quotes.
+    - `<Key>` or `CTRL-X` — special keys.
+    - `{placeholder}` — user-supplied argument.
+- **Sections** are separated by a line of `=` starting in column 1.
+  Column or subsection headings end with `~` to trigger heading
+  highlighting.
+- **Code blocks** start with `>` at the end of the introducing line
+  and end with `<` as the first non-blank on a later line (any line
+  starting in column 1 also implicitly closes the block). Use `>vim`
+  (or another language name) to request syntax highlighting inside
+  the block.
+- **Notation** — `Note`, `Todo`, `Error` and a few similar words are
+  auto-highlighted; do not try to fake the highlighting by other means.
+- **Language**: gender-neutral language is preferred for new or updated
+  text; existing wording does not need to be rewritten for this alone.
+
+## Release policy
+
+Vim alternates between development cycles and stability periods — see
+`runtime/doc/develop.txt` `*design-policy*`.
+
+- **During a stability period** only clear bug fixes, security fixes,
+  documentation updates, translations, and runtime file updates are
+  accepted. No new features, no backwards-incompatible changes.
+- **Once released in a minor version**, C-core features must stay
+  backwards-compatible. Runtime files have a bit more flexibility so
+  their maintainers can correct old behavior.
+- **Deprecated features** stay reachable via config (do not hard-error),
+  are documented as deprecated, can be disabled at compile time, and
+  may be removed in a later cycle.
+
+## Security
+
+Before reporting a suspected security issue or submitting a patch
+that touches security-sensitive code, read `SECURITY.md`. Follow
+the disclosure process described there.
+
+## Before submitting
+
+1. Commit message follows the format above.
+2. All modified code compiles without new warnings.
+3. Tests pass, and new functionality has regression tests.
+4. Documentation is updated for user-visible changes.
+5. Signed-off-by is present.
+6. Diff contains only changes relevant to the stated problem —
+   no stray whitespace fixes, no unrelated refactors, no unrelated
+   regeneration of `auto/configure`.
+7. For multi-patch series: each commit compiles and passes its own
+   tests. A known-broken intermediate state that a later patch fixes
+   is not acceptable — squash instead.
+
+## When in doubt
+
+- Make the smallest possible change to achieve the goal. Do not rewrite
+  entire files or functions when a targeted edit suffices.
+- Read surrounding code and match its style rather than imposing an
+  "improvement."
+- Err toward smaller, more focused patches. A patch that does three
+  things is three patches.
+- If a patch fixes a symptom of a deeper bug, say so in the Problem
+  and acknowledge the scope limitation in the Solution.
+- Before claiming a bug exists, reproduce it. Before claiming code does X, read
+  the code. Do not rely on training-data memory of file contents.
+- Before running shell commands that modify files outside the working tree,
+  install packages, push branches, or invoke network operations, confirm with
+  the user.

Filelist

@@ -13,6 +13,7 @@ SRC_ALL =	\
 		.github/workflows/codeql-analysis.yml \
 		.github/workflows/coverity.yml \
 		.github/workflows/link-check.yml \
+		.github/actions/build_vim_on_linux/action.yml \
 		.github/actions/test_artifacts/action.yml \
 		.github/dependabot.yml \
 		.gitignore \
@@ -23,6 +24,7 @@ SRC_ALL =	\
 		.editorconfig \
 		ci/appveyor.bat \
 		ci/config.mk*.sed \
+		ci/gen_testset.py \
 		ci/if_ver*.vim \
 		ci/if_feat_check.vim \
 		ci/lychee.toml \
@@ -151,6 +153,7 @@ SRC_ALL =	\
 		src/spellfile.c \
 		src/spellsuggest.c \
 		src/strings.c \
+		src/strptime.c \
 		src/structs.h \
 		src/syntax.c \
 		src/tabpanel.c \
@@ -440,6 +443,7 @@ SRC_ALL =	\
 		src/libvterm/t/66screen_extent.test \
 		src/libvterm/t/67screen_dbl_wh.test \
 		src/libvterm/t/68screen_termprops.test \
+		src/libvterm/t/69screen_pushline.test \
 		src/libvterm/t/69screen_reflow.test \
 		src/libvterm/t/90vttest_01-movement-1.test \
 		src/libvterm/t/90vttest_01-movement-2.test \
@@ -1195,6 +1199,7 @@ IGNORE = \
 		.github/FUNDING.yml \
 		.github/labeler.yml \
 		.github/workflows/label.yml \
+		AGENTS.md \
 		SECURITY.md \
 		ci/unlisted.make \
 		ci/hlgroups.make \

ci/gen_testset.py

@@ -0,0 +1,43 @@
+#!/usr/bin/env python3
+
+import argparse
+import itertools
+import json
+import re
+import subprocess
+
+
+def generate_testset(n):
+    cp = subprocess.run(["make", "-C", "src/testdir", "-npq"], capture_output=True)
+
+    tests = set()
+    for line in cp.stdout.decode().split("\n"):
+        if re.match(r"^(NEW_TESTS_RES|TEST_VIM9_RES) = ", line):
+            tests.update(re.findall(r"\btest\w+\.res\b", line))
+
+    tests = sorted(list(tests))
+    # move test_alot*.res to the end
+    tests = (
+        [t for t in tests if not t.startswith("test_alot")]
+        + [t for t in tests if t.startswith("test_alot_")]
+        + ["test_alot.res"]
+    )
+    targets = tests
+
+    if n > 1:
+        targets = [ts for ts in itertools.batched(tests, n)]
+        targets = [[t for t in ts if t] for ts in itertools.zip_longest(*targets)]
+
+    return targets
+
+
+def main():
+    parser = argparse.ArgumentParser()
+    parser.add_argument("n", type=int, nargs="?", default=1)
+    args = parser.parse_args()
+
+    print(json.dumps(generate_testset(args.n)))
+
+
+if __name__ == "__main__":
+    main()

ci/lychee.toml

@@ -13,7 +13,7 @@ extensions = ["c", "h", "md", "html", "txt"]
 accept = ["100..=103", "200..=299", "429"]
 
 # Retry each request a few times on transient network errors
-retries = 2
+max_retries = 2
 retry_wait_time = 2
 
 # Timeout per request in seconds

lang/README.ru.txt

@@ -137,7 +137,7 @@ README_vms.txt		VMS
 
 ДОПОЛНИТЕЛЬНАЯ ИНФОРМАЦИЯ
 
-Для системе macOS вы може использовать MacVim:  https://macvim.org
+Для системе macOS вы можете использовать MacVim:  https://macvim.org
 
 Последние новости о редакторе Vim можно найти на его домашней странице:
 	https://www.vim.org/

runtime/autoload/dist/ft.vim

@@ -3,7 +3,7 @@ vim9script
 # Vim functions for file type detection
 #
 # Maintainer:		The Vim Project <https://github.com/vim/vim>
-# Last Change:		2026 Apr 03
+# Last Change:		2026 Apr 23
 # Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 # These functions are moved here from runtime/filetype.vim to make startup
@@ -915,7 +915,7 @@ export def FTinc()
       elseif line =~ '^\s*\%({\|(\*\)' || line =~? ft_pascal_keywords
         setf pascal
         return
-      elseif line =~# '\<\%(require\|inherit\)\>' || line =~# '[A-Z][A-Za-z0-9_:${}/]*\s\+\%(??\|[?:+.]\)\?=.\? '
+      elseif line =~# '\<\%(require\|inherit\)\>' || line =~# '[A-Z][A-Za-z0-9_:${}/]*\(\[[A-Za-z0-9_:/]\+\]\)*\s\+\%(??\|[?:+.]\)\?=.\? '
         setf bitbake
         return
       endif
@@ -1726,6 +1726,8 @@ const ft_from_ext = {
   "tdf": "ahdl",
   # AIDL
   "aidl": "aidl",
+  # Algol 68
+  "a68": "algol68",
   # AMPL
   "run": "ampl",
   # ANTLR / PCCTS
@@ -1798,6 +1800,7 @@ const ft_from_ext = {
   # BDF font
   "bdf": "bdf",
   # Beancount
+  "bean": "beancount",
   "beancount": "beancount",
   # BibTeX bibliography database file
   "bib": "bib",
@@ -3113,7 +3116,9 @@ const ft_from_ext = {
   "bp": "bp",
   # Tiltfile
   "Tiltfile": "tiltfile",
-  "tiltfile": "tiltfile"
+  "tiltfile": "tiltfile",
+  # Ghostty
+  "ghostty": "ghostty",
 }
 # Key: file name (the final path component, excluding the drive and root)
 # Value: filetype

runtime/autoload/dist/vim9.vim

@@ -3,7 +3,7 @@ vim9script
 # Vim runtime support library
 #
 # Maintainer:   The Vim Project <https://github.com/vim/vim>
-# Last Change:  2026 Apr 06
+# Last Change:  2026 Apr 17
 
 export def IsSafeExecutable(filetype: string, executable: string): bool
   if empty(exepath(executable))
@@ -139,7 +139,11 @@ export def Open(file: string)
     setlocal shell&
     defer setbufvar('%', '&shell', shell)
   endif
-  Launch($"{Viewer()} {shellescape(file, 1)}")
+  if has('unix') && !has('win32unix') && !exists('$WSL_DISTRO_NAME')
+    Launch($"{Viewer()} {shellescape(file)}")
+  else
+    Launch($"{Viewer()} {shellescape(file, 1)}")
+  endif
 enddef
 
 # Uncomment this line to check for compilation errors early

runtime/autoload/gzip.vim

@@ -1,6 +1,6 @@
 " Vim autoload file for editing compressed files.
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2024 Nov 25
+" Last Change:	2026 Apr 26
 " Former Maintainer: Bram Moolenaar <Bram@vim.org>
 
 " These functions are used by the gzip plugin.
@@ -82,13 +82,8 @@ fun gzip#read(cmd)
   let empty = line("'[") == 1 && line("']") == line("$")
   let tmp = tempname()
   let tmpe = tmp . "." . expand("<afile>:e")
-  if exists('*fnameescape')
-    let tmp_esc = fnameescape(tmp)
-    let tmpe_esc = fnameescape(tmpe)
-  else
-    let tmp_esc = escape(tmp, ' ')
-    let tmpe_esc = escape(tmpe, ' ')
-  endif
+  let tmp_esc = fnameescape(tmp)
+  let tmpe_esc = fnameescape(tmpe)
   " write the just read lines to a temp file "'[,']w tmp.gz"
   execute "silent '[,']w " . tmpe_esc
   " uncompress the temp file: call system("gzip -dn tmp.gz")
@@ -101,22 +96,14 @@ fun gzip#read(cmd)
     let ok = 1
     " delete the compressed lines; remember the line number
     let l = line("'[") - 1
-    if exists(":lockmarks")
-      lockmarks '[,']d _
-    else
-      '[,']d _
-    endif
+    lockmarks '[,']d _
     " read in the uncompressed lines "'[-1r tmp"
     " Use ++edit if the buffer was empty, keep the 'ff' and 'fenc' options.
     setlocal nobin
-    if exists(":lockmarks")
-      if empty
-	execute "silent lockmarks " . l . "r ++edit " . tmp_esc
-      else
-	execute "silent lockmarks " . l . "r " . tmp_esc
-      endif
+    if empty
+      execute "silent lockmarks " . l . "r ++edit " . tmp_esc
     else
-      execute "silent " . l . "r " . tmp_esc
+      execute "silent lockmarks " . l . "r " . tmp_esc
     endif
 
     " if buffer became empty, delete trailing blank line
@@ -143,11 +130,7 @@ fun gzip#read(cmd)
 
   " When uncompressed the whole buffer, do autocommands
   if ok && empty
-    if exists('*fnameescape')
-      let fname = fnameescape(expand("%:r"))
-    else
-      let fname = escape(expand("%:r"), " \t\n*?[{`$\\%#'\"|!<")
-    endif
+    let fname = fnameescape(expand("%:r"))
     if filereadable(undofile(expand("%")))
       exe "sil rundo " . fnameescape(undofile(expand("%")))
     endif
@@ -191,8 +174,9 @@ fun gzip#appre(cmd)
       call s:set_compression(readfile(nm, "b", 1)[0])
     endif
 
-    " Rename to a weird name to avoid the risk of overwriting another file
-    let nmt = expand("<afile>:p:h") . "/X~=@l9q5"
+    " Rename to a unique name to avoid the risk of overwriting another file
+    " or being targeted by a symlink in a shared directory.
+    let nmt = s:samedir_tempname(nm)
     let nmte = nmt . "." . expand("<afile>:e")
     if rename(nm, nmte) == 0
       if &patchmode != "" && getfsize(nm . &patchmode) == -1
@@ -208,22 +192,27 @@ fun gzip#appre(cmd)
 endfun
 
 " find a file name for the file to be compressed.  Use "name" without an
-" extension if possible.  Otherwise use a weird name to avoid overwriting an
-" existing file.
+" extension if possible.  Otherwise use a unique name to avoid overwriting an
+" existing file or following a symlink set up by another user.
 fun s:tempname(name)
   let fn = fnamemodify(a:name, ":r")
   if !filereadable(fn) && !isdirectory(fn)
     return fn
   endif
-  return fnamemodify(a:name, ":p:h") . "/X~=@l9q5"
+  return s:samedir_tempname(a:name)
+endfun
+
+" Generate an unpredictable file name in the same directory as "name", using
+" the random component of tempname() to avoid symlink attacks in shared
+" directories (e.g. /tmp).
+fun s:samedir_tempname(name)
+  let tmp = tempname()
+  return fnamemodify(a:name, ":p:h") . "/" . fnamemodify(tmp, ":h:t") . fnamemodify(tmp, ":t")
 endfun
 
 fun s:escape(name)
   " shellescape() was added by patch 7.0.111
-  if exists("*shellescape")
-    return shellescape(a:name)
-  endif
-  return "'" . a:name . "'"
+  return shellescape(a:name)
 endfun
 
 " vim: set sw=2 :

runtime/autoload/tar.vim

@@ -23,6 +23,8 @@
 "   2026 Apr 06 by Vim Project: fix bugs with lz4 support (#19925)
 "   2026 Apr 09 by Vim Project: fix bugs with zstd support (#19930)
 "   2026 Apr 09 by Vim Project: fix bug with dotted filename (#19930)
+"   2026 Apr 15 by Vim Project: fix more path traversal issues (#19981)
+"   2026 Apr 16 by Vim Project: use g:tar_secure in tar#Extract()
 "
 "	Contains many ideas from Michael Toren's <tar.vim>
 "
@@ -612,6 +614,24 @@ fun! tar#Extract()
    let &report= repkeep
    return
   endif
+  if fname =~ '^[.]\?[.]/' || simplify(fname) =~ '\.\.[/\\]'
+   call s:Msg('tar#Extract', 'error', "Path Traversal Attack detected, not extracting!")
+   let &report= repkeep
+   return
+  endif
+  if has("unix")
+   if fname =~ '^/'
+    call s:Msg('tar#Extract', 'error', "Path Traversal Attack detected, not extracting!")
+    let &report= repkeep
+    return
+   endif
+  else
+   if fname =~ '^\%(\a:[\\/]\|[\\/]\)'
+    call s:Msg('tar#Extract', 'error', "Path Traversal Attack detected, not extracting!")
+    let &report= repkeep
+    return
+   endif
+  endif
 
   let extractcmd= s:WinPath(g:tar_extractcmd)
   let tarball = expand("%")
@@ -621,7 +641,7 @@ fun! tar#Extract()
   endif
 
   if tarball =~# "\.tar$"
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -630,7 +650,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tgz$"
    let extractcmd= substitute(extractcmd,"-","-z","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -639,7 +659,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tar\.gz$"
    let extractcmd= substitute(extractcmd,"-","-z","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -648,7 +668,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tbz$"
    let extractcmd= substitute(extractcmd,"-","-j","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -657,7 +677,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tar\.bz2$"
    let extractcmd= substitute(extractcmd,"-","-j","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -666,7 +686,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tar\.bz3$"
    let extractcmd= substitute(extractcmd,"-","-j","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -675,7 +695,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.txz$"
    let extractcmd= substitute(extractcmd,"-","-J","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -684,7 +704,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tar\.xz$"
    let extractcmd= substitute(extractcmd,"-","-J","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -693,7 +713,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tzst$"
    let extractcmd= substitute(extractcmd,"-","--zstd -","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -702,7 +722,7 @@ fun! tar#Extract()
 
   elseif tarball =~# "\.tar\.zst$"
    let extractcmd= substitute(extractcmd,"-","--zstd -","")
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -713,7 +733,7 @@ fun! tar#Extract()
    if has("linux")
     let extractcmd= substitute(extractcmd,"-","-I lz4 -","")
    endif
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else
@@ -724,7 +744,7 @@ fun! tar#Extract()
    if has("linux")
     let extractcmd= substitute(extractcmd,"-","-I lz4 -","")
    endif
-   call system(extractcmd." ".shellescape(tarball)." ".shellescape(fname))
+   call system(extractcmd." ".shellescape(tarball)." ".g:tar_secure.shellescape(fname))
    if v:shell_error != 0
     call s:Msg('tar#Extract', 'error', $"{extractcmd} {tarball} {fname}: failed!")
    else

runtime/autoload/vimball.vim

@@ -1,13 +1,10 @@
 " vimball.vim : construct a file containing both paths and files
 " Maintainer: This runtime file is looking for a new maintainer.
 " Original Author:	Charles E. Campbell
-" Date:			Apr 11, 2016
+" Date:			Apr 16, 2026
 " Version:	37 (with modifications from the Vim Project)
 " GetLatestVimScripts: 1502 1 :AutoInstall: vimball.vim
 "  Last Change:
-"   2025 Feb 28 by Vim Project: add support for bzip3 (#16755)
-"   2026 Apr 05 by Vim Project: Detect path traversal attacks
-"   2026 Apr 09 by Vim Project: Detect more path traversal attacks
 " Copyright: (c) 2004-2011 by Charles E. Campbell
 "            The VIM LICENSE applies to Vimball.vim, and Vimball.txt
 "            (see |copyright|) except use "Vimball" instead of "Vim".
@@ -106,14 +103,14 @@ fun! vimball#MkVimball(line1,line2,writelevel,...) range
 
   while linenr <= a:line2
    let svfile  = getline(linenr)
- 
+
    if !filereadable(svfile)
     call vimball#ShowMesg(s:ERROR,"unable to read file<".svfile.">")
     call s:ChgDir(curdir)
     call vimball#RestoreSettings()
     return
    endif
- 
+
    " create/switch to mkvimball tab
    if !exists("vbtabnr")
     tabnew
@@ -122,7 +119,7 @@ fun! vimball#MkVimball(line1,line2,writelevel,...) range
    else
     exe "tabn ".vbtabnr
    endif
- 
+
    let lastline= line("$") + 1
    if lastline == 2 && getline("$") == ""
     call setline(1,'" Vimball Archiver by Charles E. Campbell')
@@ -166,7 +163,7 @@ endfun
 
 " ---------------------------------------------------------------------
 " vimball#Vimball: extract and distribute contents from a vimball {{{2
-"                  (invoked the the UseVimball command embedded in 
+"                  (invoked the the UseVimball command embedded in
 "                  vimballs' prologue)
 fun! vimball#Vimball(really,...)
 
@@ -216,7 +213,7 @@ fun! vimball#Vimball(really,...)
   " give title to listing of (extracted) files from Vimball Archive
   if a:really
    echohl Title     | echomsg "Vimball Archive"         | echohl None
-  else             
+  else
    echohl Title     | echomsg "Vimball Archive Listing" | echohl None
    echohl Statement | echomsg "files would be placed under: ".home | echohl None
   endif
@@ -230,13 +227,25 @@ fun! vimball#Vimball(really,...)
    let fsize   = substitute(getline(linenr+1),'^\(\d\+\).\{-}$','\1','')+0
    let fenc    = substitute(getline(linenr+1),'^\d\+\s*\(\S\{-}\)$','\1','')
    let filecnt = filecnt + 1
-   " Do not allow a leading / or .. anywhere in the file name
-   if fname =~ '\.\.' || fname =~ '^/'
+   " Do not allow a leading /, .. anywhere, or a Windows drive letter
+   " (e.g. C:/foo) in the file name.  Backslashes were already converted
+   " to forward slashes above, so this also catches \\server\share UNC
+   " paths via the leading-slash check.
+   if fname =~ '\.\.' || fname =~ '^/' || fname =~ '^\a:'
      echomsg "(Vimball) Path Traversal Attack detected, aborting..."
      exe "tabn ".curtabnr
      bw! Vimball
      call s:ChgDir(curdir)
      return
+   " Also, disallow strange paths, that could lead to code execution from
+   " .VimballRecord
+   " Disallow: pipe, quotes and closing paren
+   elseif fname =~ '[|'')"]'
+     echomsg printf("(Vimball) Forbidding strange filename: '%s', aborting...", fname)
+     exe "tabn ".curtabnr
+     bw! Vimball
+     call s:ChgDir(curdir)
+     return
    endif
 
    if a:really
@@ -295,7 +304,7 @@ fun! vimball#Vimball(really,...)
       exe "silent w! ".fnameescape(fnamepath)
     endif
     echo "wrote ".fnameescape(fnamepath)
-    call s:RecordInVar(home,"call delete('".fnamepath."')")
+    call s:RecordInVar(home,"call delete('".escape(fnamepath, '"''|')."')")
     endif
 
     " return to tab with vimball
@@ -370,7 +379,7 @@ fun! vimball#RmVimball(...)
 
   call s:ChgDir(home)
   if filereadable(".VimballRecord")
-   keepalt keepjumps 1split 
+   keepalt keepjumps 1split
    sil! keepalt keepjumps e .VimballRecord
    let keepsrch= @/
    if search('^\M'.curfile."\m: ".'cw')
@@ -558,7 +567,7 @@ fun! s:RecordInFile(home)
   if exists("s:recordfile") || exists("s:recorddir")
    let curdir= getcwd()
    call s:ChgDir(a:home)
-   keepalt keepjumps 1split 
+   keepalt keepjumps 1split
 
    let cmd= expand("%:tr").": "
 

runtime/autoload/zip.vim

@@ -22,6 +22,8 @@
 " 2026 Mar 08 by Vim Project: Make ZipUpdatePS() check for powershell
 " 2026 Apr 01 by Vim Project: Detect more path traversal attacks
 " 2026 Apr 05 by Vim Project: Detect more path traversal attacks
+" 2026 Apr 14 by Vim Project: Detect more path traversal attacks on Windows
+" 2026 Apr 15 by Vim Project: Detect more path traversal attacks on Windows
 " License:	Vim License  (see vim's :help license)
 " Copyright:	Copyright (C) 2005-2019 Charles E. Campbell {{{1
 "		Permission is hereby granted to use and distribute this code,
@@ -405,7 +407,12 @@ fun! zip#Write(fname)
   else
     let zipfile = substitute(a:fname,'^.\{-}zipfile://\(.\{-}\)::[^\\].*$','\1','')
     let fname   = substitute(a:fname,'^.\{-}zipfile://.\{-}::\([^\\].*\)$','\1','')
-    " TODO: what to check on MS-Windows to avoid writing absolute paths?
+    " fname should not start with drive letter, UNC path, or leading slash
+    if fname =~ '^\%(\a:[\\/]\|[\\/]\)'
+      call s:Mess('Error', "***error*** (zip#Write) Path Traversal Attack detected, not writing!")
+      call s:ChgDir(curdir,s:WARNING,"(zip#Write) unable to return to ".curdir."!")
+      return
+    endif
   endif
   if fname =~ '^[.]\{1,2}/'
     let gnu_cmd = g:zip_zipcmd . ' -d ' . s:Escape(fnamemodify(zipfile,":p"),0) . ' ' . s:Escape(fname,0)
@@ -499,6 +506,18 @@ fun! zip#Extract()
     call s:Mess('Error', "***error*** (zip#Browse) Path Traversal Attack detected, not extracting!")
     return
   endif
+  " block absolute paths
+  if has("unix")
+    if fname =~ '^/'
+      call s:Mess('Error', "***error*** (zip#Extract) Path Traversal Attack detected, not extracting!")
+      return
+    endif
+  else
+    if fname =~ '^\%(\a:[\\/]\|[\\/]\)'
+      call s:Mess('Error', "***error*** (zip#Extract) Path Traversal Attack detected, not extracting!")
+      return
+    endif
+  endif
   if filereadable(fname)
     call s:Mess('Error', "***error*** (zip#Extract) <" .. fname .."> already exists in directory, not overwriting!")
     return

runtime/doc/builtin.txt

@@ -1,4 +1,4 @@
-*builtin.txt*	For Vim version 9.2.  Last change: 2026 Apr 06
+*builtin.txt*	For Vim version 9.2.  Last change: 2026 May 04
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -107,7 +107,8 @@ ch_getbufnr({handle}, {what})	Number	get buffer number for {handle}/{what}
 ch_getjob({channel})		Job	get the Job of {channel}
 ch_info({handle})		Dict	info about channel {handle}
 ch_listen({address} [, {options}])
-				Channel	listen on {address}
+				Channel	listen on {address} - port on loopback
+					or UNIX domain socket
 ch_log({msg} [, {handle}])	none	write {msg} in the channel log file
 ch_logfile({fname} [, {mode}])	none	start logging channel activity
 ch_open({address} [, {options}])
@@ -704,6 +705,8 @@ tabpagebuflist([{arg}])		List	list of buffer numbers in tab page
 tabpagenr([{arg}])		Number	number of current or last tab page
 tabpagewinnr({tabarg} [, {arg}])
 				Number	number of current window in tab page
+tabpanel_getinfo()		Dict	get current state of the tabpanel
+tabpanel_scroll({n} [, {opts}])	Bool	scroll the tabpanel
 tagfiles()			List	tags files used
 taglist({expr} [, {filename}])	List	list of tags matching {expr}
 tan({expr})			Float	tangent of {expr}
@@ -6862,6 +6865,8 @@ listener_add({callback} [, {buf} [, {unbuffered}]])	*listener_add()*
 		second argument: >
 			GetBuffer()->listener_add(callback)
 <
+		This function is not available in the |sandbox|.
+
 		Return type: |Number|
 
 
@@ -6876,6 +6881,8 @@ listener_flush([{buf}])					*listener_flush()*
 		Can also be used as a |method|: >
 			GetBuffer()->listener_flush()
 <
+		This function is not available in the |sandbox|.
+
 		Return type: void
 
 
@@ -6887,6 +6894,8 @@ listener_remove({id})					*listener_remove()*
 		Can also be used as a |method|: >
 			GetListenerId()->listener_remove()
 <
+		This function is not available in the |sandbox|.
+
 		Return type: |Number|
 
 
@@ -8866,6 +8875,8 @@ redraw_listener_add({opts})				*redraw_listener_add()*
 		Can also be used as a |method|: >
 			GetOpts()->redraw_listener_add()
 <
+		This function is not available in the |sandbox|.
+
 		Return type: |Number|
 
 
@@ -11316,7 +11327,12 @@ strptime({format}, {timestring})			*strptime()*
 		can try different {format} values until you get a non-zero
 		result.
 
+		Note: On MS-Windows, where the C runtime does not provide
+		strptime(), Vim uses a built-in fallback that always uses
+		English locale names regardless of the active locale.
+
 		See also |strftime()|.
+
 		Examples: >
 		  :echo strptime("%Y %b %d %X", "1997 Apr 27 11:49:23")
 <		  862156163 >
@@ -11870,6 +11886,38 @@ tabpagewinnr({tabarg} [, {arg}])			*tabpagewinnr()*
 		Return type: |Number|
 
 
+tabpanel_getinfo()					*tabpanel_getinfo()*
+		Return a |Dictionary| describing the current state of the
+		tabpanel (see |tabpanel|).  The dictionary has these keys:
+			align		"left" or "right"
+			columns		width in screen columns
+			scrollbar	|TRUE| if a scrollbar is shown
+			offset		current scroll offset in rows
+			total		total number of rows rendered
+			max_offset	largest valid value for "offset"
+
+		The "total" and "max_offset" values are only accurate after
+		the tabpanel has been drawn at least once.
+
+		Return type: dict<any>
+
+
+tabpanel_scroll({n} [, {opts}])				*tabpanel_scroll()*
+		Scroll the tabpanel by {n} rows.  Positive values scroll down
+		(later tab pages become visible), negative values scroll up.
+		The new offset is clamped to the valid range.
+
+		When {opts} is a |Dictionary| and its "absolute" entry is
+		|TRUE|, {n} is used as the new absolute scroll offset instead
+		of a delta.
+
+		Returns |TRUE| if the scroll offset changed, |FALSE| otherwise
+		(for example when the tabpanel is not shown, or the offset is
+		already at the requested value).
+
+		Return type: |vim9-boolean|
+
+
 tagfiles()						*tagfiles()*
 		Returns a |List| with the file names used to search for tags
 		for the current buffer.  This is the 'tags' option expanded.
@@ -11989,6 +12037,7 @@ terminalprops()						*terminalprops()*
 		   underline_rgb	whether |t_8u| works **
 		   mouse		mouse type supported
 		   kitty		whether Kitty terminal was detected
+		   decrqm		whether sending DECRQM sequences work
 
 		** value 'u' for unknown, 'y' for yes, 'n' for no
 
@@ -12008,6 +12057,9 @@ terminalprops()						*terminalprops()*
 
 		For "mouse" the value 'u' is unknown
 
+		If "decrqm" is 'y', then Vim will query support for the
+		'termsync' and 'termresize' ("inband") options.
+
 		Also see:
 		- 'ambiwidth' - detected by using |t_u7|.
 		- |v:termstyleresp| and |v:termblinkresp| for the response to
@@ -13300,6 +13352,7 @@ spell			Compiled with spell checking support |spell|.
 startuptime		Compiled with |--startuptime| support.
 statusline		Compiled with support for 'statusline', 'rulerformat'
 			and special formats of 'titlestring' and 'iconstring'.
+statusline_click	Click handlers in 'statusline' |stl-%[FuncName]|
 sun			SunOS version of Vim.
 sun_workshop		Support for Sun |workshop| has been removed.
 syntax			Compiled with syntax highlighting support |syntax|.
@@ -13352,8 +13405,6 @@ vtp			Compiled for vcon support |+vtp| (check vcon to find
 			out if it works in the current console).
 wayland			Compiled with Wayland protocol support.
 wayland_clipboard	Compiled with support for Wayland clipboard.
-wayland_focus_steal	Compiled with support for Wayland clipboard focus
-			stealing.
 wildignore		Compiled with 'wildignore' option.
 wildmenu		Compiled with 'wildmenu' option.
 win16			old version for MS-Windows 3.1 (always false)

runtime/doc/channel.txt

@@ -1,4 +1,4 @@
-*channel.txt*	For Vim version 9.2.  Last change: 2026 Apr 06
+*channel.txt*	For Vim version 9.2.  Last change: 2026 Apr 29
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -132,7 +132,7 @@ Start Vim and create a listening channel: >
 	endfunc
 
 	" Start listening on port 8765
-	let server = ch_listen('localhost:8765', {"callback": "OnAccept"})
+	let server = ch_listen('8765', {"callback": "OnAccept"})
 
 From another Vim instance (or any program) you can connect to it: >
 	let channel = ch_open('localhost:8765')
@@ -170,6 +170,7 @@ unreachable on the network.
 	"js"   - Use JS (JavaScript) encoding, more efficient than JSON.
 	"nl"   - Use messages that end in a NL character
 	"raw"  - Use raw messages
+	"blob" - Use raw messages and pass callback data as a |Blob|
 	"lsp"  - Use language server protocol encoding
 	"dap"  - Use debug adapter protocol encoding
 						*channel-callback* *E921*
@@ -189,6 +190,8 @@ unreachable on the network.
 		excluding the NL.
 		When "mode" is "raw" the "msg" argument is the whole message
 		as a string.
+		When "mode" is "blob" the "msg" argument is the whole message
+		as a |Blob|.
 
 		For all callbacks: Use |function()| to bind it to arguments
 		and/or a Dictionary.  Or use the form "dict.function" to bind
@@ -637,8 +640,7 @@ ch_info({handle})						*ch_info()*
 		   "status"	  "open", "buffered" or "closed", like
 				  ch_status()
 		When opened with ch_open():
-		   "hostname"	  the hostname of the address
-		   "port"	  the port of the address
+		   "port"	  the port on loopback
 		   "path"	  the path of the Unix-domain socket
 		   "sock_status"  "open" or "closed"
 		   "sock_mode"	  "NL", "RAW", "JSON" or "JS"
@@ -668,22 +670,23 @@ ch_info({handle})						*ch_info()*
 		Return type: dict<any>
 
 ch_listen({address} [, {options}])		*E1573* *E1574* *ch_listen()*
-		Listen on {address} for incoming channel connections.
-		This creates a server-side channel, unlike |ch_open()|
-		which connects to an existing server.
+		Listen on {address} - port on loopback or UNIX domain socket
+		for incoming channel connections.  This creates a server-side
+		channel, unlike |ch_open()| which connects to an existing
+		server.
 		Returns a Channel.  Use |ch_status()| to check for failure.
 
 		{address} is a String, see |channel-address| for the possible
-		accepted forms, however binding to all interfaces is not
-		allowed for security reasons.
+		accepted forms, however in case of TCP sockets it allows to
+		set only a port and binds to loopback address for security
+		reasons.
 		Note: IPv6 is not yet supported.
 
 		If {options} is given it must be a |Dictionary|.
 		See |channel-open-options|.
-		The "callback" in {options} is invoked when a new
-		connection is accepted.  It receives two arguments: the
-		new Channel and the client address as a String (e.g.
-		"127.0.0.1:12345").
+		The "callback" in {options} is invoked when a new connection
+		is accepted.  It receives two arguments: the new Channel and
+		the client address as a String (e.g. "127.0.0.1:12345").
 
 		Use |ch_open()| to connect to an existing server instead.
 

runtime/doc/cmdline.txt

@@ -1,4 +1,4 @@
-*cmdline.txt*	For Vim version 9.2.  Last change: 2026 Mar 17
+*cmdline.txt*	For Vim version 9.2.  Last change: 2026 Apr 20
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -466,14 +466,15 @@ CTRL-L		A match is done on the pattern in front of the cursor.  If
 	                                            *c_CTRL-G* */_CTRL-G*
 CTRL-G		When 'incsearch' is set, entering a search pattern for "/" or
 		"?" and the current match is displayed then CTRL-G will move
-		to the next match (does not take |search-offset| into account)
+		to the next match.  The |search-offset| is applied when <CR>
+		is pressed, but does not affect the match highlighting.
 		Use CTRL-T to move to the previous match.  Hint: on a regular
 		keyboard G is below T.
 	                                            *c_CTRL-T* */_CTRL-T*
 CTRL-T		When 'incsearch' is set, entering a search pattern for "/" or
 		"?" and the current match is displayed then CTRL-T will move
-		to the previous match (does not take |search-offset| into
-		account).
+		to the previous match.  The |search-offset| is applied when
+		<CR> is pressed, but does not affect the match highlighting.
 		Use CTRL-G to move to the next match.  Hint: on a regular
 		keyboard T is above G.
 

runtime/doc/filetype.txt

@@ -1,4 +1,4 @@
-*filetype.txt*	For Vim version 9.2.  Last change: 2026 Apr 09
+*filetype.txt*	For Vim version 9.2.  Last change: 2026 Apr 13
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar

runtime/doc/ft_mp.txt

@@ -1,4 +1,4 @@
-*ft_mp.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*ft_mp.txt*	For Vim version 9.2.  Last change: 2026 May 04
 
 This is the documentation for the METAFONT and MetaPost filetype plugins.
 Unless otherwise specified, the commands, settings and mappings defined below
@@ -25,7 +25,7 @@ MetaPost documents, including syntax coloring, indentation, and completion.
 Defining indentation rules for METAFONT and MetaPost code is tricky and
 somewhat subjective, because the syntax is quite liberal. The plugin uses some
 heuristics that work well most of the time, but in particular cases you may
-want to to override the automatic rules, so that the manually defined
+want to override the automatic rules, so that the manually defined
 indentation is preserved by commands like `gg=G`.
 
 This can be achieved by appending `%>`, `%<`, `%=` or `%!` to a line to

runtime/doc/map.txt

@@ -1,4 +1,4 @@
-*map.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*map.txt*	For Vim version 9.2.  Last change: 2026 May 02
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1693,7 +1693,21 @@ For the "custom" argument, the function should return the completion
 candidates one per line in a newline separated string.
 							*E1303*
 For the "customlist" argument, the function should return the completion
-candidates as a Vim List.  Non-string items in the list are ignored.
+candidates as a Vim List.  Each item may be either a string or a |Dictionary|.
+A Dictionary item may have the following keys:
+	word	(required) the text inserted into the command line when the
+		item is selected
+	abbr	alternative text shown in the popup menu in place of "word",
+		when 'wildoptions' contains "pum"; useful when the inserted
+		text and the displayed text should differ
+	kind	short kind text (one or two characters), shown in the popup
+		menu when 'wildoptions' contains "pum"
+	menu	extra text shown after the match in the popup menu
+	info	long description shown in the info popup; the |+popupwin|
+		feature is required to display it
+Items that are neither a string nor a Dictionary, and Dictionary items without
+a "word" key, are ignored.  When 'wildoptions' does not contain "pum", only
+"word" is shown.
 
 The function arguments are:
 	ArgLead		the leading portion of the argument currently being

runtime/doc/options.txt

@@ -1,4 +1,4 @@
-*options.txt*	For Vim version 9.2.  Last change: 2026 Apr 09
+*options.txt*	For Vim version 9.2.  Last change: 2026 May 04
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -324,12 +324,12 @@ that was last closed are used again.  If this buffer has been edited in this
 window, the values from back then are used.  Otherwise the values from the
 last closed window where the buffer was edited last are used.
 
-It's possible to set a local window option specifically for a type of buffer.
-When you edit another buffer in the same window, you don't want to keep
-using these local window options.  Therefore Vim keeps a global value of the
-local window options, which is used when editing another buffer.  Each window
-has its own copy of these values.  Thus these are local to the window, but
-global to all buffers in the window.  With this you can do: >
+":setlocal" can be used to set a local window option specifically for a type
+of buffer.  When you edit another buffer in the same window, you don't want to
+keep using these local window options.  Meanwhile ":set" also sets a global
+value of a local window option, which is used when editing another buffer.
+Each window has its own copy of these global values, making them local to the
+window, but global to all buffers in the window.  With this you can do: >
 	:e one
 	:set list
 	:e two
@@ -2393,6 +2393,9 @@ A jump table for the options with a short description can be found at |Q_op|.
 		close		show close button: "on" (default) or "off"
 		height		maximum height of the popup
 		highlight	popup highlight group (default: PmenuSel)
+		opacity		opacity percentage 0-100 (default 100, fully
+				opaque).  When less than 100, content beneath
+				the popup shows through.
 		resize		show resize handle: "on" (default) or "off"
 		shadow		"off" (default) or "on" using |hl-PmenuShadow|
 		width		maximum width of the popup
@@ -2400,6 +2403,7 @@ A jump table for the options with a short description can be found at |Q_op|.
 	Example: >
 		:set completepopup=height:10,border:single,highlight:InfoPopup
 		:set completepopup=width:60,border:custom:─;│;─;│;┌;┐;┘;└
+		:set completepopup=border:round,opacity:80
 <
 	When "align" is set to "item", the popup is positioned near the
 	selected item and moves as the selection changes.
@@ -4757,7 +4761,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 				     l:Search,m:MoreMsg,M:ModeMsg,n:LineNr,
 				     a:LineNrAbove,b:LineNrBelow,
 				     N:CursorLineNr,r:Question,s:StatusLine,
-				     S:StatusLineNC,c:VertSplit,t:Title,
+				     S:StatusLineNC,c:VertSplit,
+				     |:VertSplitNC,t:Title,
 				     v:Visual,V:VisualNOS,w:WarningMsg,
 				     W:WildMenu,f:Folded,F:FoldColumn,
 				     A:DiffAdd,C:DiffChange,D:DiffDelete,
@@ -4805,6 +4810,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 	|hl-StatusLineNC|  S  status lines of not-current windows
 	|hl-Title|	 t  Titles for output from ":set all", ":autocmd" etc.
 	|hl-VertSplit|	 c  column used to separate vertically split windows
+	|hl-VertSplitNC| |  column separating non-current vertically split
+			    windows
 	|hl-Visual|	 v  Visual mode
 	|hl-VisualNOS|	 V  Visual mode when Vim is "Not Owning the
 			    Selection" Only X11 Gui's |gui-x11|,
@@ -6196,6 +6203,48 @@ A jump table for the options with a short description can be found at |Q_op|.
 	NOTE: 'modeline' is set to the Vi default value when 'compatible' is
 	set and to the Vim default value when 'compatible' is reset.
 
+		    *'modelinestrict'* *'mlst'* *'nomodelinestrict'* *'nomlst'*
+'modelinestrict' 'mlst'	boolean (default: on)
+			global
+	When on, only a safe subset of options can be set from a |modeline|.
+	The following options are allowed:
+		'autoindent'
+		'cindent'
+		'commentstring'
+		'expandtab'
+		'filetype'
+		'foldcolumn'
+		'foldenable'
+		'foldmethod'
+		'modifiable'
+		'readonly'
+		'rightleft'
+		'shiftwidth'
+		'smartindent'
+		'softtabstop'
+		'spell'
+		'spelllang'
+		'tabstop'
+		'textwidth'
+		'varsofttabstop'
+		'vartabstop'
+
+	Any other option set from a modeline will be silently ignored.
+	This option cannot be set from a |modeline| or in the |sandbox|, for
+	security reasons.
+
+	The behaviour of 'modeline', 'modelinestrict' and 'modelineexpr' is
+	as follows:
+
+	'modeline'| 'modelinestrict'| 'modelineexpr' | Meaning
+	----------+-----------------+-------------------+--------~
+	   on     |    off          |   on           | All options can be set
+	   on     |    on           |   any          | Only whitelisted
+		  |                 |                | options can be set
+	   on     |    off          |   off          | All options except for
+		  |                 |                | expr options can be set
+	   off    |    any          |   any          | No options can be set
+
 				*'modifiable'* *'ma'* *'nomodifiable'* *'noma'*
 				*E21*
 'modifiable' 'ma'	boolean	(default on)
@@ -6750,6 +6799,9 @@ A jump table for the options with a short description can be found at |Q_op|.
 <	Replace the ';' with a ':' or whatever separator is used.  Note that
 	this doesn't work when $INCL contains a comma or white space.
 
+	This option cannot be set from a |modeline| or in the |sandbox|, for
+	security reasons.
+
 						*'perldll'*
 'perldll'		string	(default depends on the build)
 			global
@@ -6962,7 +7014,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 				of 'fillchars' option.
 	  opacity:{n}		opacity percentage 0-100 (default 100).
 				When less than 100, background content shows
-				through the popup menu.
+				through the popup menu.  Requires the GUI,
+				'termguicolors', or a 256-color terminal.
 
 	Flags (no value):
 	  margin		adds one-cell spacing inside the left and
@@ -7532,8 +7585,8 @@ A jump table for the options with a short description can be found at |Q_op|.
 	Minimal number of screen lines to keep above and below the cursor.
 	This will make some context visible around where you are working.  If
 	you set it to a very large value (999) the cursor line will always be
-	in the middle of the window (except at the start or end of the file or
-	when long lines wrap).
+	in the middle of the window (except at the start or end of the file,
+	see 'scrolloffpad', or when long lines wrap).
 	After using the local value, go back the global value with one of
 	these two: >
 		setlocal scrolloff<
@@ -7541,7 +7594,24 @@ A jump table for the options with a short description can be found at |Q_op|.
 <	For scrolling horizontally see 'sidescrolloff'.
 	NOTE: This option is set to 0 when 'compatible' is set.
 
-						*'scrollopt'* *'sbo'*
+						*'scrolloffpad'* *'sop'*
+'scrolloffpad' 'sop'	number	(default 0)
+			global or local to window |global-local|
+	When 'scrolloff' and 'scrolloffpad' are greater than zero, allow
+	the cursor to remain centered when at the end of the file.
+	Normally, 'scrolloff' will not keep the cursor centered at the
+	end of the file.
+
+	A value of 0 disables this feature.  Any value above 0 enables it.
+	For a window-local value, -1 means to use the global value.
+	Values below -1 are invalid.
+
+	After using the local value, go back the global value with one of
+	these two: >
+		setlocal scrolloffpad<
+		setlocal scrolloffpad=-1
+
+<						*'scrollopt'* *'sbo'*
 'scrollopt' 'sbo'	string	(default "ver,jump")
 			global
 	This is a comma-separated list of words that specifies how
@@ -7982,6 +8052,9 @@ A jump table for the options with a short description can be found at |Q_op|.
 		search count statistics.  The maximum limit can be set with
 		the 'maxsearchcount' option, see also |searchcount()|
 		function.
+	  u	don't give undo and redo messages like			*shm-u*
+		"1 line less; before #1  1 second ago", "Already at oldest
+		change" or "Already at newest change"
 
 	This gives you the opportunity to avoid that a change between buffers
 	requires you to hit <Enter>, but still gives as useful a message as
@@ -8620,13 +8693,14 @@ A jump table for the options with a short description can be found at |Q_op|.
 	      applied to StatusLineNC for the statusline of non-current
 	      windows.
 	      The number N must be between 1 and 9.  See |hl-User1..9|
-								*stl-%@*
+							*stl-%@*
 	@ -   Inserts a newline.  This only takes effect when the "maxheight"
 	      value of 'statuslineopt' is greater than 1, or for |tabpanel|.
 
-						*stl-%[FuncName]*
+							*stl-%[FuncName]*
 	%[ defines clickable regions in the statusline.  When the user clicks
-	on a region with the mouse, the specified function is called.
+	on a region with the mouse, the specified function is called.  The
+	same syntax can also be used in 'tabline' and 'tabpanel'.
 
 	  %[FuncName]	Start of a clickable region.  "FuncName" is the name
 			of a Vim function to call when the region is clicked.
@@ -8644,11 +8718,17 @@ A jump table for the options with a short description can be found at |Q_op|.
 	  "button"	Mouse button: "l" (left), "m" (middle), "r" (right).
 	  "mods"	Modifier keys: combination of "s" (shift), "c" (ctrl),
 			"a" (alt).  Empty string if no modifiers.
-	  "winid"	|window-ID| of the window whose statusline was clicked.
+	  "winid"	|window-ID| of the window whose statusline was clicked,
+			or 0 when the click was in 'tabline' or 'tabpanel'.
+	  "area"	"statusline", "tabline", or "tabpanel".  Indicates
+			which option the clicked region belongs to.
+	  "tabnr"	(tabpanel only) Tab page number of the clicked label.
 
 	If the function returns non-zero, the statusline is redrawn.
 	Dragging the statusline to resize the window still works even when
-	click handlers are defined.
+	click handlers are defined.  When used in 'tabline' or 'tabpanel',
+	clicks in %[FuncName] regions are dispatched to the callback
+	instead of the default tab-selection behavior.
 
 	Example: >
 	    func! ClickFile(info)
@@ -8983,24 +9063,22 @@ A jump table for the options with a short description can be found at |Q_op|.
 	Optional settings for the |tabpanel|,  It can consist of the following
 	items.  Items must be separated by a comma.
 
-		align:{text}	Specifies the position of the tabpanel.
-				Currently supported positions are:
-
-				left	left-side
+	    align:{text}    Specifies the position of the tabpanel.
+			    Currently supported positions are:
+				left	left-side  (default)
 				right	right-side
-
-				(default "left")
-
-		columns:{n}	Number of columns of the tabpanel.
-				If this value is 0 or less than 'columns', the
-				tab panel will not be displayed.
-				(default 20)
-
-		vert		Use a vertical separator for tabpanel.
-				The vertical separator character is taken from
-				"tpl_vert" in 'fillchars'.
-				(default off)
-
+	    columns:{n}	    Number of columns of the tabpanel.  (default 20)
+			    If this value is 0 or less than 'columns', the
+			    tabpanel will not be displayed.
+	    scrollbar	    A one-column scrollbar is always displayed at the
+			    right edge of the tabpanel, regardless of the
+			    "align:" setting.  (default off)
+			    See |tabpanel-scroll|.
+	    vert	    The vertical separator is drawn at the boundary
+			    between the tabpanel and the buffer area.
+			    (default off)
+			    The character to be drawn uses "tpl_vert" from
+			    'fillchars'.
 	Examples: >
 		:set tabpanelopt=columns:16,align:right
 		:set tabpanelopt=
@@ -9974,6 +10052,14 @@ A jump table for the options with a short description can be found at |Q_op|.
 		letter.  Thus "KEEPTHIS and "K_L_M" are stored, but "KeepThis"
 		and "_K_L_M" are not.  Nested List and Dict items may not be
 		read back correctly, you end up with an empty item.
+
+		Restoring |List|, |Dictionary| and |Tuple| variables is done by
+		parsing their textual form with the Vim expression evaluator.
+		Reading a viminfo file with "!" enabled is therefore only safe
+		when the file is trusted.  In particular, do not enable "!"
+		before reading a viminfo file you obtained from another user,
+		downloaded, or that is writable by another account.  See
+		also |viminfo-security|.
 							*viminfo-quote*
 	"	Maximum number of lines saved for each register.  Old name of
 		the '<' item, with the disadvantage that you need to put a
@@ -10331,8 +10417,12 @@ A jump table for the options with a short description can be found at |Q_op|.
 			applies to buffer name completion.
 	"noselect"	If 'wildmenu' is enabled, show the menu but do not
 			preselect the first item.
-	If only one match exists, it is completed fully, unless "noselect" is
-	specified.
+	"noinsert"	If 'wildmenu' is enabled, show the menu and preselect
+			the first match, but do not insert it in the command
+			line.  If both "noinsert" and "noselect" are present,
+			"noselect" takes precedence.
+	If only one match exists, it is completed fully, unless "noselect" or
+	"noinsert" is specified.
 
 	Some useful combinations of colon-separated values:
 	"longest:full"		Start with the longest common string and show
@@ -10600,11 +10690,10 @@ A jump table for the options with a short description can be found at |Q_op|.
 				*'wlsteal'* *'wst'* *'nowlsteal'* *'nowst'*
 'wlsteal' 'wst'		boolean  (default off)
 			global
-			{only when the |+wayland_focus_steal| feature is
-			included}
+	DEPRECATED: This option is no longer used; changing it has no effect.
+
 	When enabled, then allow Vim to steal focus by creating a temporary
-	surface, in order to access the clipboard.  For more information see
-	|wayland-focus-steal|.
+	surface, in order to access the clipboard.
 
 						*'wltimeoutlen'* *'wtm'*
 'wltimeoutlen' 'wtm'	number	(default 500)
@@ -10617,9 +10706,6 @@ A jump table for the options with a short description can be found at |Q_op|.
 	some cases.  On the other hand, it may also mean you receive errors
 	when the compositor takes more time to respond than usual.
 
-	Additionally, this option is also used as the maximum timeout when
-	waiting for a surface to gain focus, see |wayland-focus-steal|.
-
 						*'wrap'* *'nowrap'*
 'wrap'			boolean	(default on)
 			local to window

runtime/doc/pi_netrw.txt

@@ -2854,10 +2854,6 @@ your browsing preferences.  (see also: |netrw-settings|)
 				such as listing, file removal, etc.
 				 default: ssh
 
-  *g:netrw_tmpfile_escape*	=' &;'
-				escape() is applied to all temporary files
-				to escape these characters.
-
   *g:netrw_timefmt*		specify format string to vim's strftime().
 				The default, "%c", is "the preferred date
 				and time representation for the current

runtime/doc/pi_tar.txt

@@ -1,4 +1,4 @@
-*pi_tar.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*pi_tar.txt*	For Vim version 9.2.  Last change: 2026 Apr 16
 
 		       +====================+
 		       | Tar File Interface |
@@ -101,10 +101,17 @@ Copyright 2005-2017:					*tar-copyright*
 4. History						*tar-history*
 
 	unreleased:
+		Apr 16, 2026	* add missing g:tar_secure into tar#Extract
+		Apr 15, 2026	* add path traversal checks in tar#Extract()
+		Apr 09, 2026	* fix zstd support and dotted filename support
+		Apr 06, 2026	* fix lz4 support
+		Feb 07, 2026	* make path traversal detection more robust
+		Feb 06, 2026	* fix bug with nowrapscan
+		Jul 16, 2025	* update minimum required Vim version
 		Jul 13, 2025	* drop leading /
 		May 19, 2025	* restore working directory after read/write
 		Apr 16, 2025	* decouple from netrw by adding s:WinPath()
-				instead of shelling out to file(1)
+				  instead of shelling out to file(1)
 		Mar 02, 2025	* determine the compression using readblob()
 		Mar 02, 2025	* escape the filename before using :read
 		Mar 01, 2025	* fix syntax error in tar#Read()

runtime/doc/pi_vimball.txt

@@ -1,4 +1,4 @@
-*pi_vimball.txt*	For Vim version 9.2.  Last change: 2026 Apr 05
+*pi_vimball.txt*	For Vim version 9.2.  Last change: 2026 Apr 16
 
 			       ----------------
 			       Vimball Archiver
@@ -166,6 +166,11 @@ WINDOWS							*vimball-windows*
 ==============================================================================
 4. Vimball History					*vimball-history* {{{1
 
+	unreleased:
+	     Feb 28, 2025 * add support for bzip3 (#16755)
+	     Apr 05, 2026 * Detect path traversal attacks
+	     Apr 09, 2026 * Detect more path traversal attacks
+	     Apr 16, 2026 * Block Windows drive letter paths
 	37 : Jul 18, 2014 * (by request of T. Miedema) added augroup around
 			    the autocmds in vimballPlugin.vim
 	     Jul 06, 2015 * there are two uses of tabc; changed to tabc!

runtime/doc/popup.txt

@@ -1,4 +1,4 @@
-*popup.txt*	For Vim version 9.2.  Last change: 2026 Apr 06
+*popup.txt*	For Vim version 9.2.  Last change: 2026 May 01
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1067,8 +1067,9 @@ The opacity value ranges from 0 to 100:
     1-99	Partially transparent - the popup background is blended with
 		the underlying text, making both partially visible.
 
-The transparency effect requires using the GUI or having 'termguicolors'
-enabled in the terminal. Without it, the opacity setting has no effect.
+The transparency effect requires using the GUI, having 'termguicolors'
+enabled, or running in a 256-color terminal.  On terminals with fewer
+than 256 colors the opacity setting has no effect.
 
 When a popup is transparent:
 - The popup's background color is blended with the background text

runtime/doc/quickref.txt

@@ -1,4 +1,4 @@
-*quickref.txt*	For Vim version 9.2.  Last change: 2026 Apr 07
+*quickref.txt*	For Vim version 9.2.  Last change: 2026 Apr 21
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -823,6 +823,7 @@ Short explanation of each option:		*option-list*
 'modeline'	  'ml'	    recognize modelines at start or end of file
 'modelineexpr'	  'mle'	    allow setting expression options from a modeline
 'modelines'	  'mls'     number of lines checked for modelines
+'modelinestrict'  'mlst'    only allow safe options in modelines
 'modifiable'	  'ma'	    changes to the text are not possible
 'modified'	  'mod'     buffer has been modified
 'more'			    pause listings when the whole screen is filled
@@ -894,6 +895,7 @@ Short explanation of each option:		*option-list*
 'scrollfocus'	  'scf'     scroll wheel applies to window under pointer
 'scrolljump'	  'sj'	    minimum number of lines to scroll
 'scrolloff'	  'so'	    minimum nr. of lines above and below cursor
+'scrolloffpad'	  'sop'	    vertically center cursor at end of file
 'scrollopt'	  'sbo'     how 'scrollbind' should behave
 'sections'	  'sect'    nroff macros that separate sections
 'secure'		    secure mode for reading .vimrc in current dir

runtime/doc/starting.txt

@@ -1,4 +1,4 @@
-*starting.txt*	For Vim version 9.2.  Last change: 2026 Mar 17
+*starting.txt*	For Vim version 9.2.  Last change: 2026 Apr 29
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -1573,6 +1573,24 @@ Session.  You could have several Session files, one for each project you are
 working on.  Viminfo and Session files together can be used to effectively
 enter Vim and directly start working in your desired setup. |session-file|
 
+							*viminfo-security*
+A viminfo file written by Vim is plain text and contains Vim expressions for
+|List|, |Dictionary| and |Tuple| values.  When "!" is in 'viminfo' at the time
+Vim processes the file as a viminfo file, those expressions are evaluated.
+
+The default value of 'viminfo' does not include "!", so by default no
+expression evaluation happens.
+
+Opening a viminfo file in a buffer (e.g. with |:edit|) is harmless; Vim only
+displays the file contents.  The risk is letting Vim process an untrusted file
+through the viminfo machinery, which happens when:
+- |:rviminfo| is used on the file, or
+- 'viminfofile' is set to point at it, or
+- the file is placed at the path Vim already reads as viminfo
+  |viminfo-file-name|
+
+In any of those cases, do not have "!" in 'viminfo' if you do not trust it.
+
 							*viminfo-read*
 When Vim is started and the 'viminfo' option is non-empty, the contents of
 the viminfo file are read and the info can be used in the appropriate places.

runtime/doc/syntax.txt

@@ -1,4 +1,4 @@
-*syntax.txt*	For Vim version 9.2.  Last change: 2026 Mar 22
+*syntax.txt*	For Vim version 9.2.  Last change: 2026 May 04
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -849,6 +849,20 @@ ADA
 See |ft-ada-syntax|
 
 
+ALGOL 68					*algol68* *ft-algol68-syntax*
+
+This syntax file currently targets the Algol 68 Genie project using the
+default UPPER stropping regime.  It should also be usuable in other
+environments using the UPPER stropping regime, though somewhat less complete.
+
+Highlighting can be further configured with the following variables.
+
+Variable			Highlight ~
+*algol68_no_preludes*		no prelude identifiers, procedures or
+				bold word operators
+*algol68_symbolic_operators*	all prelude symbolic operators
+
+
 ANT						*ant.vim* *ft-ant-syntax*
 
 The ant syntax file provides syntax highlighting for javascript and python
@@ -5978,7 +5992,29 @@ EndOfBuffer	Filler lines (~) after the last line in the buffer.
 							*hl-ErrorMsg*
 ErrorMsg	Error messages on the command line.
 							*hl-VertSplit*
-VertSplit	Column separating vertically split windows.
+VertSplit	Column separating vertically split windows that are adjacent
+		to the current window.  The cell character and highlight at
+		each screen row depend on what is at that row on both sides
+		of the separator:
+		- On a status line row of the current window: the cell is
+		  drawn as a space with the |hl-StatusLine| highlight, so it
+		  visually merges into the current window's status line.
+		- On any other row (including a row that is a status line
+		  row of the adjacent non-current window but not of the
+		  current window): the cell is drawn with the "vert" item of
+		  'fillchars' and the VertSplit highlight.
+							*hl-VertSplitNC*
+VertSplitNC	Column separating vertically split windows where neither
+		adjacent window is the current window.  The cell character
+		and highlight at each screen row depend on what is at that
+		row on both sides of the separator:
+		- On a status line row of either adjacent (non-current)
+		  window: the cell is drawn as a space with the
+		  |hl-StatusLineNC| highlight of that window, so it visually
+		  merges into that window's status line.
+		- On any other row: the cell is drawn with the "vert" item
+		  of 'fillchars' and the VertSplitNC highlight.
+		By default, highlighted like |hl-VertSplit|.
 							*hl-Folded*
 Folded		Line used for closed folds.
 							*hl-FoldColumn*
@@ -6095,15 +6131,20 @@ SpellRare	Word that is recognized by the spellchecker as one that is
 		This will be combined with the highlighting used otherwise.
 							*hl-StatusLine*
 StatusLine	Status line of current window.
+		Also used for the vertical separator cell adjacent to the
+		current window's status line.  see |hl-VertSplit|.
 							*hl-StatusLineNC*
-StatusLineNC	status lines of not-current windows
+StatusLineNC	status lines of not-current windows.
+		Also used for the vertical separator cell adjacent to the
+		non-current window's status line.  see |hl-VertSplitNC|.
 		Note: If this is equal to "StatusLine", Vim will use "^^^" in
 		the status line of the current window.
 							*hl-StatusLineTerm*
 StatusLineTerm	Status line of current window, if it is a |terminal| window.
 							*hl-StatusLineTermNC*
-StatusLineTermNC	Status lines of not-current windows that is a
-			|terminal| window.
+StatusLineTermNC
+		Status lines of not-current windows that is a |terminal|
+		window.
 							*hl-TabLine*
 TabLine		Tab pages line, not active tab page label.
 							*hl-TabLineFill*
@@ -6123,18 +6164,19 @@ Title		Titles for output from ":set all", ":autocmd" etc.
 							*hl-TitleBar*
 TitleBar	Title bar for the active Gui's window.
 		This feature is supported only in the MS-Windows GUI.
-		See |gui-w32-title-bar| for details
+		See |gui-w32-title-bar| for details.
 		Only the `guibg` and `guifg` highlight arguments are effective.
 							*hl-TitleBarNC*
 TitleBarNC	Title bar for inactive Gui's window.
 		This feature is supported only in the MS-Windows GUI.
-		See |gui-w32-title-bar| for details
+		See |gui-w32-title-bar| for details.
 		Only the `guibg` and `guifg` highlight arguments are effective.
 							*hl-Visual*
 Visual		Visual mode selection.
 							*hl-VisualNOS*
 VisualNOS	Visual mode selection when vim is "Not Owning the Selection".
-		Only X11 Gui's |gui-x11| and |xterm-clipboard| supports this.
+		Only X11 Gui's |gui-x11|, |xterm-clipboard| and
+		|wayland-selections| supports this.
 							*hl-WarningMsg*
 WarningMsg	Warning messages.
 							*hl-WildMenu*
@@ -6154,10 +6196,9 @@ Menu		Current font, background and foreground colors of the menus.
 		Also used for the toolbar.
 		Applicable highlight arguments: font, guibg, guifg.
 
-		NOTE: For Motif the font argument actually
-		specifies a fontset at all times, no matter if 'guifontset' is
-		empty, and as such it is tied to the current |:language| when
-		set.
+		NOTE: For Motif the font argument actually specifies a fontset
+		at all times, no matter if 'guifontset' is empty, and as such
+		it is tied to the current |:language| when set.
 
 							*hl-Scrollbar*
 Scrollbar	Current background and foreground of the main window's
@@ -6168,10 +6209,9 @@ Scrollbar	Current background and foreground of the main window's
 Tooltip		Current font, background and foreground of the tooltips.
 		Applicable highlight arguments: font, guibg, guifg.
 
-		NOTE: For Motif the font argument actually
-		specifies a fontset at all times, no matter if 'guifontset' is
-		empty, and as such it is tied to the current |:language| when
-		set.
+		NOTE: For Motif the font argument actually specifies a fontset
+		at all times, no matter if 'guifontset' is empty, and as such
+		it is tied to the current |:language| when set.
 
 ==============================================================================
 15. Linking groups		*:hi-link* *:highlight-link* *E412* *E413*

runtime/doc/tabpage.txt

@@ -1,4 +1,4 @@
-*tabpage.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*tabpage.txt*	For Vim version 9.2.  Last change: 2026 May 04
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -482,6 +482,42 @@ The vertical separator character is taken from "tpl_vert" in 'fillchars'.
 You can customize the appearance of the tab page labels using the highlight
 groups: |hl-TabPanel| |hl-TabPanelSel| |hl-TabPanelFill|
 
+SCROLLING IN THE TABPANEL				*tabpanel-scroll*
+
+When the total height of the tab page list exceeds the visible screen height,
+mouse wheel events over the tabpanel area scroll the tab page list up or down.
+The scroll step follows the 'mousescroll' setting.  Wheel events inside the
+tabpanel area are consumed by the tabpanel and do not trigger
+|<ScrollWheelUp>| or |<ScrollWheelDown>| mappings.
+
+The current tab page is always brought into view: when the selected tab page
+changes (by |gt|, |gT|, |:tabnext| etc.), the panel scrolls so the current
+entry is visible.
+
+To show a vertical scrollbar indicating the current scroll position, add
+"scrollbar" to 'tabpanelopt': >
+	:set tabpanelopt+=scrollbar
+
+A one-column scrollbar is always displayed at the right edge of the tabpanel,
+regardless of the "align:" setting in 'tabpanelopt'.  Clicking on the
+scrollbar column moves the thumb to the click position, and the thumb can be
+dragged to scroll continuously.
+
+The scrollbar uses the |hl-PmenuSbar| highlight group for the track and
+|hl-PmenuThumb| for the thumb.
+
+The scroll offset is remembered across redraws.
+
+MOUSE CLICKS IN THE TABPANEL				*tabpanel-mouse*
+
+A left click on a row in the tabpanel selects the tab page that the row
+belongs to.  Unlike the tabline, a double click in the tabpanel does not open
+a new, empty tab page; it is treated the same as a single click.
+
+For finer-grained control, the 'tabpanel' value may contain |stl-%[FuncName]|
+click regions.  Clicks on those regions are dispatched to the callback
+function instead of falling through to tab page selection.
+
 ==============================================================================
 6. Setting 'guitablabel'				*setting-guitablabel*
 

runtime/doc/tags

@@ -531,6 +531,7 @@ $quote	eval.txt	/*$quote*
 'ml'	options.txt	/*'ml'*
 'mle'	options.txt	/*'mle'*
 'mls'	options.txt	/*'mls'*
+'mlst'	options.txt	/*'mlst'*
 'mm'	options.txt	/*'mm'*
 'mmd'	options.txt	/*'mmd'*
 'mmp'	options.txt	/*'mmp'*
@@ -539,6 +540,7 @@ $quote	eval.txt	/*$quote*
 'modeline'	options.txt	/*'modeline'*
 'modelineexpr'	options.txt	/*'modelineexpr'*
 'modelines'	options.txt	/*'modelines'*
+'modelinestrict'	options.txt	/*'modelinestrict'*
 'modifiable'	options.txt	/*'modifiable'*
 'modified'	options.txt	/*'modified'*
 'mopt'	options.txt	/*'mopt'*
@@ -706,9 +708,11 @@ $quote	eval.txt	/*$quote*
 'nomh'	options.txt	/*'nomh'*
 'noml'	options.txt	/*'noml'*
 'nomle'	options.txt	/*'nomle'*
+'nomlst'	options.txt	/*'nomlst'*
 'nomod'	options.txt	/*'nomod'*
 'nomodeline'	options.txt	/*'nomodeline'*
 'nomodelineexpr'	options.txt	/*'nomodelineexpr'*
+'nomodelinestrict'	options.txt	/*'nomodelinestrict'*
 'nomodifiable'	options.txt	/*'nomodifiable'*
 'nomodified'	options.txt	/*'nomodified'*
 'nomore'	options.txt	/*'nomore'*
@@ -949,6 +953,7 @@ $quote	eval.txt	/*$quote*
 'scrollfocus'	options.txt	/*'scrollfocus'*
 'scrolljump'	options.txt	/*'scrolljump'*
 'scrolloff'	options.txt	/*'scrolloff'*
+'scrolloffpad'	options.txt	/*'scrolloffpad'*
 'scrollopt'	options.txt	/*'scrollopt'*
 'scs'	options.txt	/*'scs'*
 'sect'	options.txt	/*'sect'*
@@ -1007,6 +1012,7 @@ $quote	eval.txt	/*$quote*
 'so'	options.txt	/*'so'*
 'softtabstop'	options.txt	/*'softtabstop'*
 'sol'	options.txt	/*'sol'*
+'sop'	options.txt	/*'sop'*
 'sourceany'	vi_diff.txt	/*'sourceany'*
 'sp'	options.txt	/*'sp'*
 'spc'	options.txt	/*'spc'*
@@ -1524,7 +1530,6 @@ $quote	eval.txt	/*$quote*
 +spell	various.txt	/*+spell*
 +startuptime	various.txt	/*+startuptime*
 +statusline	various.txt	/*+statusline*
-+statusline_click	various.txt	/*+statusline_click*
 +sun_workshop	various.txt	/*+sun_workshop*
 +syntax	various.txt	/*+syntax*
 +system()	various.txt	/*+system()*
@@ -1557,7 +1562,6 @@ $quote	eval.txt	/*$quote*
 +vtp	various.txt	/*+vtp*
 +wayland	various.txt	/*+wayland*
 +wayland_clipboard	various.txt	/*+wayland_clipboard*
-+wayland_focus_steal	various.txt	/*+wayland_focus_steal*
 +wildignore	various.txt	/*+wildignore*
 +wildmenu	various.txt	/*+wildmenu*
 +windows	various.txt	/*+windows*
@@ -4774,6 +4778,7 @@ E1572	options.txt	/*E1572*
 E1573	channel.txt	/*E1573*
 E1574	channel.txt	/*E1574*
 E1575	builtin.txt	/*E1575*
+E1576	tagsrch.txt	/*E1576*
 E158	sign.txt	/*E158*
 E159	sign.txt	/*E159*
 E16	cmdline.txt	/*E16*
@@ -6229,6 +6234,9 @@ added-win32-GUI	version5.txt	/*added-win32-GUI*
 aff-dic-format	spell.txt	/*aff-dic-format*
 after-directory	options.txt	/*after-directory*
 aleph	options.txt	/*aleph*
+algol68	syntax.txt	/*algol68*
+algol68_no_preludes	syntax.txt	/*algol68_no_preludes*
+algol68_symbolic_operators	syntax.txt	/*algol68_symbolic_operators*
 alt	intro.txt	/*alt*
 alt-input	debugger.txt	/*alt-input*
 alternate-file	editing.txt	/*alternate-file*
@@ -7515,6 +7523,7 @@ ft-ada-options	ft_ada.txt	/*ft-ada-options*
 ft-ada-plugin	ft_ada.txt	/*ft-ada-plugin*
 ft-ada-syntax	ft_ada.txt	/*ft-ada-syntax*
 ft-ada-variables	ft_ada.txt	/*ft-ada-variables*
+ft-algol68-syntax	syntax.txt	/*ft-algol68-syntax*
 ft-ant-syntax	syntax.txt	/*ft-ant-syntax*
 ft-apache-syntax	syntax.txt	/*ft-apache-syntax*
 ft-arduino-plugin	filetype.txt	/*ft-arduino-plugin*
@@ -7966,7 +7975,6 @@ g:netrw_ssh_browse_reject	pi_netrw.txt	/*g:netrw_ssh_browse_reject*
 g:netrw_ssh_cmd	pi_netrw.txt	/*g:netrw_ssh_cmd*
 g:netrw_sshport	pi_netrw.txt	/*g:netrw_sshport*
 g:netrw_timefmt	pi_netrw.txt	/*g:netrw_timefmt*
-g:netrw_tmpfile_escape	pi_netrw.txt	/*g:netrw_tmpfile_escape*
 g:netrw_uid	pi_netrw.txt	/*g:netrw_uid*
 g:netrw_use_noswf	pi_netrw.txt	/*g:netrw_use_noswf*
 g:netrw_use_nt_rcp	pi_netrw.txt	/*g:netrw_use_nt_rcp*
@@ -8488,6 +8496,7 @@ hl-User1	syntax.txt	/*hl-User1*
 hl-User1..9	syntax.txt	/*hl-User1..9*
 hl-User9	syntax.txt	/*hl-User9*
 hl-VertSplit	syntax.txt	/*hl-VertSplit*
+hl-VertSplitNC	syntax.txt	/*hl-VertSplitNC*
 hl-Visual	syntax.txt	/*hl-Visual*
 hl-VisualNOS	syntax.txt	/*hl-VisualNOS*
 hl-WarningMsg	syntax.txt	/*hl-WarningMsg*
@@ -10322,6 +10331,7 @@ shm-q	options.txt	/*shm-q*
 shm-r	options.txt	/*shm-r*
 shm-s	options.txt	/*shm-s*
 shm-t	options.txt	/*shm-t*
+shm-u	options.txt	/*shm-u*
 shm-w	options.txt	/*shm-w*
 shm-x	options.txt	/*shm-x*
 short-name-changed	version4.txt	/*short-name-changed*
@@ -10885,6 +10895,10 @@ tabpagebuflist()	builtin.txt	/*tabpagebuflist()*
 tabpagenr()	builtin.txt	/*tabpagenr()*
 tabpagewinnr()	builtin.txt	/*tabpagewinnr()*
 tabpanel	tabpage.txt	/*tabpanel*
+tabpanel-mouse	tabpage.txt	/*tabpanel-mouse*
+tabpanel-scroll	tabpage.txt	/*tabpanel-scroll*
+tabpanel_getinfo()	builtin.txt	/*tabpanel_getinfo()*
+tabpanel_scroll()	builtin.txt	/*tabpanel_scroll()*
 tag	tagsrch.txt	/*tag*
 tag-!	tagsrch.txt	/*tag-!*
 tag-binary-search	tagsrch.txt	/*tag-binary-search*
@@ -11748,6 +11762,7 @@ viminfo-r	options.txt	/*viminfo-r*
 viminfo-read	starting.txt	/*viminfo-read*
 viminfo-read-write	starting.txt	/*viminfo-read-write*
 viminfo-s	options.txt	/*viminfo-s*
+viminfo-security	starting.txt	/*viminfo-security*
 viminfo-timestamp	starting.txt	/*viminfo-timestamp*
 viminfo-write	starting.txt	/*viminfo-write*
 vimrc	starting.txt	/*vimrc*
@@ -11799,8 +11814,6 @@ waittime	channel.txt	/*waittime*
 warningmsg-variable	eval.txt	/*warningmsg-variable*
 wayland	wayland.txt	/*wayland*
 wayland-and-x11	wayland.txt	/*wayland-and-x11*
-wayland-focus-steal	wayland.txt	/*wayland-focus-steal*
-wayland-gnome	wayland.txt	/*wayland-gnome*
 wayland-gui	wayland.txt	/*wayland-gui*
 wayland-persist	wayland.txt	/*wayland-persist*
 wayland-primary-selection	wayland.txt	/*wayland-primary-selection*

runtime/doc/tagsrch.txt

@@ -579,6 +579,9 @@ ctags).
 		have an absolute or relative path.  It may contain environment
 		variables and wildcards (although the use of wildcards is
 		doubtful).  It cannot contain a <Tab>.
+								*E1576*
+		Using a remote file via network protocol (e.g. using
+		http://remote/file.txt) is not allowed.
 {tagaddress}	The Ex command that positions the cursor on the tag.  It can
 		be any Ex command, although restrictions apply (see
 		|tag-security|).  Posix only allows line numbers and search

runtime/doc/terminal.txt

@@ -965,6 +965,20 @@ term_start({cmd} [, {options}])			*term_start()*
 		input and one output handle, with no separate handle for
 		stderr.
 
+		Note: term_start() always uses RAW mode for its callbacks.
+		"out_cb" and "err_cb" receive the raw chunk of data as read
+		from the OS.  A single callback invocation may contain
+		multiple lines separated by NL, and (for stdout via a pty)
+		each line may have a trailing CR from the line discipline
+		(ONLCR).  If per-line handling is desired, the callback must
+		split "msg" on NL and strip the trailing CR itself.
+		Example: >
+			func Handle(ch, msg)
+			  for line in split(a:msg, "\n")
+			    echom substitute(line, '\r$', '', '')
+			  endfor
+			endfunc
+<
 		There are extra options:
 		   "term_name"	     name to use for the buffer name, instead
 				     of the command name.

runtime/doc/todo.txt

@@ -1,4 +1,4 @@
-*todo.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*todo.txt*	For Vim version 9.2.  Last change: 2026 Apr 29
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -421,8 +421,6 @@ more information.
 
 Add an option to restrict 'incsearch' to not scroll the view. (Tavis Ormandy)
 
-Remove SPACE_IN_FILENAME ? It is only used for completion.
-
 When 'term' starts with "foot" then default t_TI and t_TE to the values used
 for the builtin xterm termcap.
 
@@ -2115,7 +2113,6 @@ es_ES.utf-8" gives an error and doesn't switch messages. (Dominique Pelle,
 
 When $HOME contains special characters, such as a comma, escape them when used
 in an option. (Michael Hordijk, 2009 May 5)
-Turn "esc" argument of expand_env_esc() into string of chars to be escaped.
 
 Should make 'ignorecase' global-local, so that it makes sense setting it from
 a modeline.

runtime/doc/usr_41.txt

@@ -1,4 +1,4 @@
-*usr_41.txt*	For Vim version 9.2.  Last change: 2026 Feb 16
+*usr_41.txt*	For Vim version 9.2.  Last change: 2026 Apr 28
 
 
 		     VIM USER MANUAL	by Bram Moolenaar
@@ -1081,6 +1081,8 @@ Buffers, windows and the argument list:
 	tabpagebuflist()	return List of buffers in a tab page
 	tabpagenr()		get the number of a tab page
 	tabpagewinnr()		like winnr() for a specified tab page
+	tabpanel_getinfo()	get current state of the tabpanel
+	tabpanel_scroll()	scroll the tabpanel
 	winnr()			get the window number for the current window
 	bufwinid()		get the window ID of a specific buffer
 	bufwinnr()		get the window number of a specific buffer

runtime/doc/various.txt

@@ -1,4 +1,4 @@
-*various.txt*	For Vim version 9.2.  Last change: 2026 Apr 06
+*various.txt*	For Vim version 9.2.  Last change: 2026 Apr 27
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -60,10 +60,9 @@ ga			Print the ascii value of the character under the
 			but printable according to the 'isprint' option, the
 			non-printable version is also given.
 
-			When the character is larger than 127, the <M-x> form
-			is also printed.  For example:
-				<~A>  <M-^A>  129,  Hex 81,  Octal 201 ~
-				<p>  <|~>  <M-~>  254,  Hex fe,  Octal 376 ~
+			When the character is larger than 127:
+				<<81>>  129,  Hex 0081,  Octal 201 ~
+				 <p>    254,  Hex 00fe,  Octal 376 ~
 			(where <p> is a special character)
 
 			The <Nul> character in a file is stored internally as
@@ -185,6 +184,9 @@ g8			Print the hex values of the bytes used in the
 			If the mark is "=", a line of dashes is printed
 			around the current line.
 
+			If the 'number' option is set, absolute line numbers
+			will be included in the output.
+
 							*:z!*
 :[range]z![+-^.=][count]
 			Like ":z", but when [count] is not specified, it
@@ -496,7 +498,6 @@ N  *+spell*		spell checking support, see |spell|
 N  *+startuptime*	|--startuptime| argument
 N  *+statusline*	Options 'statusline', 'rulerformat' and special
 			formats of 'titlestring' and 'iconstring'
-N  *+statusline_click*	Click handlers in 'statusline' |stl-%[FuncName]|
 -  *+sun_workshop*	Removed: |workshop|
 N  *+syntax*		Syntax highlighting |syntax|
    *+system()*		Unix only: opposite of |+fork|
@@ -530,9 +531,6 @@ T  *+vreplace*		|gR| and |gr|
    *+vtp*		on MS-Windows console: support for 'termguicolors'
 N  *+wayland*		Unix only: support for the Wayland protocol.
 N  *+wayland_clipboard*	Unix only: support for Wayland selections/clipboard.
-N  *+wayland_focus_steal*
-			Unix only: support for Wayland clipboard on
-			compositors without a data control protocol
 T  *+wildignore*	'wildignore'  Always enabled since 9.0.0278
 T  *+wildmenu*		'wildmenu'  Always enabled since 9.0.0279
 T  *+windows*		more than one window; Always enabled since 8.0.1118.

runtime/doc/version9.txt

@@ -1,4 +1,4 @@
-*version9.txt*	For Vim version 9.2.  Last change: 2026 Apr 09
+*version9.txt*	For Vim version 9.2.  Last change: 2026 May 02
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -41954,7 +41954,7 @@ Vim Arguments: ~
 
 Configure Switches: ~
 --with-wayland			Enable the |wayland| feature.
---enable-wayland-focus-steal	Enable the |wayland-focus-steal| feature.
+--enable-wayland-focus-steal	Enable the wayland-focus-steal feature.
 --enable-socketserver		Enable the |socketserver-clientserver|
 				feature.
 
@@ -52587,6 +52587,7 @@ Popups ~
 - Support for transparency, see |popup-opacity|.
 - 'previewpopup' supports the same values as 'completepopup' (except for
   "align").
+- Support "opacity" setting for 'completepopup' option.
 
 Diff mode ~
 ---------
@@ -52613,12 +52614,22 @@ Other ~
   pairs individually (e.g. 'listchars', 'fillchars', 'diffopt').
 - |system()| and |systemlist()| functions accept a list as first argument,
   bypassing the shell completely.
-- Allow mouse clickable regions in the |status-line| using the
-  |stl-%[FuncName]| atom.
+- Allow mouse clickable regions in the 'statusline', 'tabline' and the
+  'tabpanel' using the |stl-%[FuncName]| atom.
+- Enable reflow support in the |:terminal|.
+- Enabled scrolling for the tabpanel when the tab page list exceeds the screen
+  height.  Also added the "scrollbar" sub-option to 'tabpanelopt'.
+- Added the "noinsert" value to the 'wildmode' option for symmetry with the
+  'completeopt' option
+- Channel can handle |Blob| messages |channel-open-options|.
+- Added the "u" flag to 'shortmess' to silence undo/redo messages: |shm-u|
+- |:command-completion-customlist| can return a list of dictionaries with
+  kind/menu/info/abbr for the popup menu.
 
 Platform specific ~
 -----------------
 - support OpenType font features in 'guifont' for DirectWrite (Win32)
+- Include strptime() fallback for MS-Windows
 
 xxd ~
 ---
@@ -52633,6 +52644,14 @@ Changed ~
 - |js_decode()| rejects lone surrogates
 - virtual text properties on lines deleted by a multi-line substitute
   are moved to the resulting joined line instead of being dropped.
+- Only a few whitelisted options are allowed to be set by a modeline to
+  improve overall security, see for details: 'modelinestrict'
+- Removed the Wayland focus steal feature 'wlsteal', since it causes too many
+  issues and can now be re-implemted using the |clipboard-providers| feature
+  if needed, see |wayland-primary-selection| for an example.
+- On Unix, filename completion for single-file Ex commands now treats embedded
+  whitespace as part of the filename, like on other platforms.
+
 
 							*added-9.3*
 Added ~
@@ -52642,6 +52661,8 @@ Various syntax, indent and other plugins were added.
 Functions: ~
 
 |ch_listen()|		listen on {address}
+|tabpanel_getinfo()|	get current state of the |tabpanel|
+|tabpanel_scroll()|	scroll the |tabpanel|
 
 Autocommands: ~
 
@@ -52649,7 +52670,9 @@ Autocommands: ~
 
 Options: ~
 
-'pumopt'		Additional options for the popup menu
+'modelinestrict'	Only allow safe options to be set from a modeline.
+'pumopt'		Additional options for the popup menu.
+'scrolloffpad'		Vertically center cursor at end of file.
 'statuslineopt'		Extra window-local options for the 'statusline', to
 			configure the height.
 't_BS'			Begin synchronized update.
@@ -52658,6 +52681,10 @@ Options: ~
 'termsync'		Enable support for terminal DEC 2026 sync mode.
 'winhighlight'		Window-local highlight group mappings.
 
+Highlighting: ~
+
+|hl-VertSplitNC|	Column separator of non-current window.
+
 ==============================================================================
 PATCHES						*patches-9.3* *bug-fixes-9.3*
 						*patches-after-9.2*

runtime/doc/vim9.txt

@@ -1,4 +1,4 @@
-*vim9.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*vim9.txt*	For Vim version 9.2.  Last change: 2026 May 04
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -2355,11 +2355,6 @@ in Vim9 script.
 
 	let &laststatus=v:true
 	vim9cmd &laststatus = true
-<
-  - Not using a string where an argument requires a string (|E1174|) >vim
-
-	echo substitute('Hallo', 'a', 'e', v:true)
-	vim9cmd echo substitute('Hallo', 'a', 'e', true)  # E1174: String...
 <
 One consequence is that the item type of a list or dict given to |map()| must
 not change when its type is either declared or inferred.  For example, this

runtime/doc/wayland.txt

@@ -1,4 +1,4 @@
-*wayland.txt*	For Vim version 9.2.  Last change: 2026 Feb 14
+*wayland.txt*	For Vim version 9.2.  Last change: 2026 Apr 20
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -54,15 +54,12 @@ try connecting again.
 2. Wayland Selections					*wayland-selections*
 
 Vim supports the wlr-data-control-unstable-v1 and ext-data-control-v1
-protocols, for accessing the current Wayland selection.  These are the best
-case scenario protocols, see |wayland-focus-steal|.  Selection in this case
+protocols, for accessing the current Wayland selection. Selection in this case
 essentially means the "clipboard."  You can check if your Wayland compositor
 supports either of these protocols by running the wayland-info command, which
 should be bundled with libwayland on your system: >
 	wayland-info | grep -E '(ext_data_control|zwlr_data_control)'
 <If grep finds a match, then you have either or both protocols on your system.
-If you don't get any match, then please see |wayland-focus-steal| for more
-information.
 
 Some compositors that are known to support either or both protocols:
     1. KWin (KDE)
@@ -90,39 +87,65 @@ Vim determines which one to use when accessing the clipboard using the
 
 						*wayland-primary-selection*
 If you find X11 style primary selections useful, Wayland also implements this
-behaviour in its own protocols:
+feature using the protocols that Vim supports.  This is unless you are using
+version 1 (not the same as the 'v1' in the protocol name), of the
+wlr-data-control protocol, then primary selection will not be supported. You
+can check this using >
+	wayland-info | grep -E '(ext_data_control|zwlr_data_control)'
+If the "version:" entry for "zwlr_data_control_manager_v1" is "2" or greater,
+then primary selection is supported.  If you also get
+"ext_data_control_manager_v1", then Vim will use that protocol instead, which
+has primary selection support builtin into it.
 
-- The primary selection protocol is the most widely supported, but requires
-  focus in order to be used, see |wayland-focus-steal|.
+If your Wayland compositor does not support the wlr-data-control-v1 or the
+ext-data-control-v1 protocol, Vim cannot access the clipboard directly through
+the Wayland protocol.  External tools such as wl-clipboard can be used instead
+via a user-defined |clipboard-providers|.
 
-- Data control protocol available on your system, such as the ext or wlr
-  protocols, then primary selection is also supported.  This is unless you are
-  using version 1 (not the same as the 'v1' in the protocol name), of the
-  wlr-data-control protocol.  Then the primary selection protocol will be used
-  as a fallback.
+Example: define a provider that shells out to `wl-copy` and `wl-paste`: >vim9
 
-					*wayland-focus-steal* *wayland-gnome*
-If you are using the GNOME desktop environment on Wayland, as of this writing,
-there is no method of accessing/modifying the clipboard for external clients
-such as Vim without being focused.  Focused in this case means the client has
-received some sort of input event, such as a window being focused.  This is
-what the wlr-data-control-unstable-v1 and ext-data-control-v1 protocols solve.
-If your Wayland compositor does not support the above protocols, then the
-above explanation applies.
+    vim9script
 
-To solve this problem, Vim implements a way of gaining focus in order to
-access the clipboard, by creating a temporary transparent top-level surface.
-This is by default disabled and can be enabled via the 'wlsteal' option.
-Moreover, a seat that has a keyboard is also required, see 'wlseat', and the
-xdg-shell protocol must be available.  Additionally, Vim must be compiled with
-the |+wayland_focus_steal| feature.
+    def Available(): bool
+	return executable('wl-copy') && executable('wl-paste')
+    enddef
 
-Note that this method can have several side effects from the result of focus
-stealing.  For example, if you have a taskbar that shows currently opened apps
-in your desktop environment, then when Vim attempts to steal focus, it may
-"flicker," as if a window was opened then immediately closed after.
-Additionally, if you are in fullscreen mode, this focus stealing won't work,
-because the created surface won't ever gain focus.  If this happens, Vim will
-seem to freeze temporarily, see 'wltimeoutlen' for more information.
+    def Copy(reg: string, type: string, str: list<string>)
+	var args = "wl-copy"
+
+	if reg == "*"
+	    args ..= " -p"
+	endif
+
+	system(args, str)
+    enddef
+
+    def Paste(reg: string): tuple<string, list<string>>
+	var args = "wl-paste --type text/plain;charset=utf-8"
+
+	if reg == "*"
+	    args ..= " -p"
+	endif
+
+	return ("", systemlist(args))
+    enddef
+
+    v:clipproviders["wl_clipboard"] = {
+	available: Available,
+	copy: {
+	    "+": Copy,
+	    "*": Copy
+	},
+	paste: {
+	    "+": Paste,
+	    "*": Paste
+	}
+    }
+
+    set clipmethod=wl_clipboard
+
+
+This relies on the wl-clipboard package being installed
+(https://github.com/bugaevc/wl-clipboard).
 
  vim:tw=78:ts=8:noet:ft=help:norl

runtime/doc/windows.txt

@@ -1,4 +1,4 @@
-*windows.txt*	For Vim version 9.2.  Last change: 2026 Mar 01
+*windows.txt*	For Vim version 9.2.  Last change: 2026 May 01
 
 
 		  VIM REFERENCE MANUAL	  by Bram Moolenaar
@@ -960,6 +960,9 @@ settings.  The option is a comma-separated list of values:
 			the value is "on", it must be set after border.
 	height		maximum height of the popup
 	highlight	highlight group of the popup (default is Pmenu)
+	opacity		opacity percentage 0-100 (default 100, fully opaque).
+			When less than 100, content beneath the popup shows
+			through.
 	resize		show resize handle: "on" (default) or "off"
 	shadow		"off" (default) or "on" using |hl-PmenuShadow|
 	width		maximum width of the popup
@@ -968,6 +971,7 @@ Example: >
 	:set previewpopup=height:10,width:60
 	:set previewpopup=border:single,borderhilight:PmenuBorder
 	:set previewpopup=border:custom:─;│;─;│;┌;┐;┘;└
+	:set previewpopup=border:round,opacity:80
 
 A few peculiarities:
 - If the file is in a buffer already, it will be re-used.  This will allow for

runtime/filetype.vim

@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:		The Vim Project <https://github.com/vim/vim>
-" Last Change:		2026 Apr 08
+" Last Change:		2026 Apr 20
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If the filetype can be detected from extension or file name(the final path component),
@@ -890,7 +890,7 @@ au BufNewFile,BufRead requirements/*.txt	setf requirements
 au BufNewFile,BufRead requires/*.txt		setf requirements
 
 " Pkl
-au BufNewFile,BufRead *.pkl,*.pcf,pkl-lsp://*	setf pkl
+au BufNewFile,BufRead PklProject,*.pkl,*.pcf,pkl-lsp://*	setf pkl
 
 " WIC kickstarter files
 au BufNewFile,BufRead *.wks,*.wks.in,*.wks.inc	setf wks
@@ -1617,6 +1617,10 @@ au BufNewFile,BufRead *.txt
 	\|   setf text
 	\| endif
 
+" Ghostty configuration
+au BufNewFile,BufRead */ghostty/config                      setf ghostty
+au BufNewFile,BufRead */ghostty/themes/*                    call s:StarSetf('ghostty')
+au BufNewFile,BufRead */com.mitchellh.ghostty/config        setf ghostty
 
 
 " Generic log file

runtime/ftplugin/algol68.vim

@@ -0,0 +1,47 @@
+" Vim filetype plugin
+" Language:		Algol 68
+" Maintainer:		Doug Kearns <dougkearns@gmail.com>
+" Last Change:		2026 Apr 23
+
+if exists("b:did_ftplugin")
+  finish
+endif
+let b:did_ftplugin = 1
+
+let s:cpo_save = &cpo
+set cpo&vim
+
+" TODO: 'comments'
+
+setlocal commentstring=#\ %s\ #
+
+let &l:include='\c\%(^\|;\)\s*\%(PR\|PRAGMAT\)\s\+\%(read\|include\)'
+
+let b:undo_ftplugin = "setl cms< inc<"
+
+if exists("loaded_matchit") && !exists("b:match_words")
+  let b:match_ignorecase = 0
+  let b:match_words = '\<BEGIN\>:\<END\>,' ..
+	\	      '\<IF\>:\<THEN\>:\<ELIF\>:\<ELSE\>:\<FI\>,' ..
+	\	      '\<CASE\>:\<IN\>:\<OUSE\>:\<OUT\>:\<ESAC\>,' ..
+	"\ TODO: loops have overlapping start and intermediate keywords like
+	"\ `TO` which are difficult to match with patterns alone.
+	\	      '\<DO\>:\<OD\>'
+  let b:match_skip = 's:Comment\|String\|PreProc'
+  let b:undo_ftplugin ..= " | unlet! b:match_ignorecase b:match_skip b:match_words"
+endif
+
+if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
+  let b:browsefilter = "Algol 68 Source Files (*.a68)\t*.a68\n"
+  if has("win32")
+    let b:browsefilter ..= "All Files (*.*)\t*\n"
+  else
+    let b:browsefilter ..= "All Files (*)\t*\n"
+  endif
+  let b:undo_ftplugin ..= " | unlet! b:browsefilter"
+endif
+
+let &cpo = s:cpo_save
+unlet s:cpo_save
+
+" vim: nowrap sw=2 sts=2 ts=8

runtime/ftplugin/ghostty.vim

@@ -0,0 +1,10 @@
+" Vim filetype plugin file
+" Language: ghostty
+
+" Quit if a ftplugin file was already loaded
+if exists("b:did_ftplugin")
+  finish
+endif
+
+" Use the cfg plugin, it's similar enough.
+runtime! ftplugin/cfg.vim

runtime/ftplugin/help.vim

@@ -4,6 +4,7 @@
 " Last Change:          2025 Apr 08
 " 2025 Apr 08 by Vim project (set 'omnifunc' and 'iskeyword', #17073)
 " 2025 Aug 08 by Vim project (unset comment options, #17889)
+" 2026 Apr 26 by Vim project (make HelpComplete global, #20024)
 
 if exists("b:did_ftplugin")
   finish
@@ -17,14 +18,14 @@ let b:undo_ftplugin = "setl isk< fo< tw< cole< cocu< keywordprg< omnifunc< comme
 
 setl comments= cms=
 
-setlocal formatoptions+=tcroql textwidth=78 keywordprg=:help omnifunc=s:HelpComplete
+setlocal formatoptions+=tcroql textwidth=78 keywordprg=:help omnifunc=HelpComplete
 let &l:iskeyword='!-~,^*,^|,^",192-255'
 if has("conceal")
   setlocal cole=2 cocu=nc
 endif
 
-if !exists('*s:HelpComplete')
-  func s:HelpComplete(findstart, base)
+if !exists('*HelpComplete')
+  func HelpComplete(findstart, base)
     if a:findstart
       let colnr = col('.') - 1 " Get the column number before the cursor
       let line = getline('.')

runtime/ftplugin/ptx.vim

@@ -1,7 +1,8 @@
 " Vim filetype plugin file
-" Language:	Nvidia PTX (Parellel Thread Execution)
+" Language:	Nvidia PTX (Parallel Thread Execution)
 " Maintainer:	Yinzuo Jiang <jiangyinzuo@foxmail.com>
 " Last Change:	2024-12-05
+" 2026 May 04 by Vim Project: fix typo
 
 if exists("b:did_ftplugin")
   finish

runtime/ftplugin/readline.vim

@@ -4,6 +4,7 @@
 " Previous Maintainer:	Nikolai Weibull <now@bitwi.se>
 " Last Change:		2024 Sep 19 (simplify keywordprg #15696)
 " 2024 Jul 22 by Vim project (use :hor term #17822)
+" 2026 May 04 by Vim Project: fix typo
 
 if exists("b:did_ftplugin")
   finish
@@ -26,7 +27,7 @@ if exists("loaded_matchit") && !exists("b:match_words")
 endif
 
 if (has("gui_win32") || has("gui_gtk")) && !exists("b:browsefilter")
-  let b:browsefilter = "Readline Intialization Files (inputrc, .inputrc)\tinputrc;*.inputrc\n"
+  let b:browsefilter = "Readline Initialization Files (inputrc, .inputrc)\tinputrc;*.inputrc\n"
   if has("win32")
     let b:browsefilter ..= "All Files (*.*)\t*\n"
   else

runtime/indent/cdl.vim

@@ -2,6 +2,7 @@
 " Maintainer:	Raul Segura Acevedo <raulseguraaceved@netscape.net> (Invalid email address)
 " 		Doug Kearns <dougkearns@gmail.com>
 " Last Change:	2022 Apr 06
+" 2026 May 04 by Vim Project: fix typo
 
 if exists("b:did_indent")
     "finish
@@ -71,7 +72,7 @@ fun! CdlGetIndent(lnum)
   " One 'closing' element at the beginning of the line has already reduced the
   " indent, but 'else', 'elseif' & 'then' increment it for the next line.
   " '=' at the beginning already has the right indent (increased for
-  " asignments).
+  " assignments).
   let f = -1
   let inicio = matchend(line, '^\c\s*\(else\a*\|then\|endif\|/[*/]\|[);={]\)')
   if inicio > 0

runtime/indent/javascriptreact.vim

@@ -1,2 +1,2 @@
-" Placeholder for backwards compatilibity: .jsx used to stand for JavaScript.
+" Placeholder for backwards compatibility: .jsx used to stand for JavaScript.
 runtime! indent/javascript.vim

runtime/indent/rust.vim

@@ -4,8 +4,9 @@
 " Last Change:      2023-09-11
 " 2024 Jul 04 by Vim Project: use shiftwidth() instead of hard-coding shifted values #15138
 " 2025 Dec 29 by Vim Project: clean up
-" 2025 Dec 31 by Vim Project: correcly indent after nested array literal #19042
+" 2025 Dec 31 by Vim Project: correctly indent after nested array literal #19042
 " 2026 Jan 28 by Vim Project: fix indentation when a string literal contains 'if' #19265
+" 2026 May 04 by Vim Project: fix typo
 
 " For bugs, patches and license go to https://github.com/rust-lang/rust.vim
 " Note: upstream seems umaintained: https://github.com/rust-lang/rust.vim/issues/502

runtime/indent/sh.vim

@@ -3,10 +3,11 @@
 " Maintainer:          Christian Brabandt <cb@256bit.org>
 " Original Author:     Nikolai Weibull <now@bitwi.se>
 " Previous Maintainer: Peter Aronoff <telemachus@arpinum.org>
-" Latest Revision:     2019-10-24
+" Latest Revision:     20260504
 " License:             Vim (see :h license)
 " Repository:          https://github.com/chrisbra/vim-sh-indent
 " Changelog:
+"          20260504  - fix typo
 "          20250906  - indent function closing properly on multiline commands
 "          20250318  - Detect local arrays in functions
 "          20241411  - Detect dash character in function keyword for
@@ -233,7 +234,7 @@ function! s:is_array(line)
 endfunction
 
 function! s:is_in_block(line)
-  " checks whether a:line is whithin a 
+  " checks whether a:line is within a
   " block e.g. a shell function
   " foo() {
   " ..

runtime/indent/stylus.vim

@@ -2,6 +2,7 @@
 " Language: Stylus
 " Maintainer: Marc Harter
 " Last Change: 2010 May 21
+" 2026 May 04 by Vim Project: fix typo
 " Based On: sass.vim from Tim Pope
 "
 if exists("b:did_indent")
@@ -97,7 +98,7 @@ function! GetStylusIndent()
   let line     = substitute(getline(lnum),'[\s()]\+$','','')  " get last line strip ending whitespace
   let cline    = substitute(substitute(getline(v:lnum),'\s\+$','',''),'^\s\+','','')  " get current line, trimmed
   let lastcol  = strlen(line)  " get last col in prev line
-  let line     = substitute(line,'^\s\+','','')  " then remove preceeding whitespace
+  let line     = substitute(line,'^\s\+','','')  " then remove preceding whitespace
   let indent   = indent(lnum)  " get indent on prev line
   let cindent  = indent(v:lnum)  " get indent on current line
   let increase = indent + &sw  " increase indent by the shift width

runtime/indent/typescriptreact.vim

@@ -1,2 +1,2 @@
-" Placeholder for backwards compatilibity: .tsx used to stand for TypeScript.
+" Placeholder for backwards compatibility: .tsx used to stand for TypeScript.
 runtime! indent/typescript.vim

runtime/optwin.vim

@@ -1,7 +1,7 @@
 " These commands create the option window.
 "
 " Maintainer:	The Vim Project <https://github.com/vim/vim>
-" Last Change:	2026 Apr 07
+" Last Change:	2026 Apr 21
 " Former Maintainer:	Bram Moolenaar <Bram@vim.org>
 
 " If there already is an option window, jump to that one.
@@ -351,6 +351,8 @@ call append("$", "\t" .. s:local_to_window)
 call <SID>BinOptionL("sms")
 call <SID>AddOption("scrolloff", gettext("number of screen lines to show around the cursor"))
 call append("$", " \tset so=" . &so)
+call <SID>AddOption("scrolloffpad", gettext("vertically center cursor even at end of file"))
+call append("$", " \tset sop=" . &sop)
 call <SID>AddOption("wrap", gettext("long lines wrap"))
 call append("$", "\t" .. s:local_to_window)
 call <SID>BinOptionL("wrap")
@@ -833,10 +835,6 @@ if has('wayland')
   call <SID>AddOption("wlseat", gettext("Wayland seat to use"))
   call <SID>OptionG("wse", &wse)
 endif
-if has("wayland_focus_steal")
-  call <SID>AddOption("wlsteal", gettext("Enable wayland focus stealing functionality in order to access the clipboard"))
-  call <SID>BinOptionG("wst", &wst)
-endif
 call <SID>AddOption("keymodel", gettext("\"startsel\" and/or \"stopsel\"; what special keys can do"))
 call <SID>OptionG("km", &km)
 
@@ -1108,6 +1106,8 @@ call append("$", "\t" .. s:local_to_buffer)
 call <SID>BinOptionL("ml")
 call <SID>AddOption("modelineexpr", gettext("allow setting expression options from a modeline"))
 call <SID>BinOptionG("mle", &mle)
+call <SID>AddOption("modelinestrict", gettext("only allow safe options to be set from a modeline"))
+call <SID>BinOptionG("modelinestrict", &modelinestrict)
 call <SID>AddOption("modelines", gettext("number of lines to check for modelines"))
 call append("$", " \tset mls=" . &mls)
 call <SID>AddOption("binary", gettext("binary file editing"))

runtime/pack/dist/opt/hlyank/plugin/hlyank.vim

@@ -1,7 +1,7 @@
 vim9script
 
 # Highlight Yank plugin
-# Last Change: 2025 Mar 22
+# Last Change: 2026 Apr 11
 
 def HighlightedYank()
 
@@ -28,7 +28,11 @@ def HighlightedYank()
       return [v[0][1], col_beg, col_end - col_beg]
     }))
     var winid = win_getid()
-    timer_start(duration, (_) => m->matchdelete(winid))
+    timer_start(duration, (_) => {
+      if winbufnr(winid) != -1
+        m->matchdelete(winid)
+      endif
+    })
   endif
 enddef
 

runtime/pack/dist/opt/netrw/autoload/netrw.vim

@@ -24,6 +24,10 @@
 " 2026 Mar 01 by Vim Project include portnumber in hostname checking #19533
 " 2026 Apr 01 by Vim Project use fnameescape() with netrw#FileUrlEdit()
 " 2026 Apr 05 by Vim Project Fix netrw#RFC2396() #19913
+" 2026 Apr 15 by Vim Project Add missing escape()
+" 2026 Apr 19 by Vim Project expand ~ on Windows #20003
+" 2026 Apr 21 by Vim Project fix shell-injection via tempfile suffix (sftp://, file://)
+" 2026 Apr 21 by Vim Project drop unused g:netrw_tmpfile_escape
 " Copyright:  Copyright (C) 2016 Charles E. Campbell {{{1
 "             Permission is hereby granted to use and distribute this code,
 "             with or without modifications, provided that this copyright
@@ -398,7 +402,6 @@ else
   call s:NetrwInit("g:netrw_glob_escape",'*[]?`{~$\')
 endif
 call s:NetrwInit("g:netrw_menu_escape",'.&? \')
-call s:NetrwInit("g:netrw_tmpfile_escape",' &;')
 call s:NetrwInit("s:netrw_map_escape","<|\n\r\\\<C-V>\"")
 if has("gui_running") && (&enc == 'utf-8' || &enc == 'utf-16' || &enc == 'ucs-4')
   let s:treedepthstring= "│ "
@@ -529,8 +532,8 @@ function netrw#Explore(indx,dosplit,style,...)
   NetrwKeepj norm! 0
 
   if a:0 > 0
-    if a:1 =~ '^\~' && (has("unix") || g:netrw_cygwin)
-      let dirname= simplify(substitute(a:1,'\~',expand("$HOME"),''))
+    if a:1 =~ '^\~' && (has("unix") || has("win32") || g:netrw_cygwin)
+      let dirname= simplify(substitute(a:1,'^\~',escape(expand("$HOME"),'\&~'),''))
     elseif a:1 == '.'
       let dirname= simplify(exists("b:netrw_curdir")? b:netrw_curdir : getcwd())
       if dirname !~ '/$'
@@ -1819,14 +1822,14 @@ function netrw#NetRead(mode,...)
             ".........................................
         " NetRead: (sftp) NetRead Method #9 {{{3
         elseif     b:netrw_method  == 9
-            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_sftp_cmd." ".netrw#os#Escape(g:netrw_machine.":".b:netrw_fname,1)." ".tmpfile)
+            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_sftp_cmd." ".netrw#os#Escape(g:netrw_machine.":".b:netrw_fname,1)." ".netrw#os#Escape(tmpfile,1))
             let result          = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
             let b:netrw_lastfile = choice
 
             ".........................................
         " NetRead: (file) NetRead Method #10 {{{3
         elseif      b:netrw_method == 10 && exists("g:netrw_file_cmd")
-            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_file_cmd." ".netrw#os#Escape(b:netrw_fname,1)." ".tmpfile)
+            call netrw#os#Execute(s:netrw_silentxfer."!".g:netrw_file_cmd." ".netrw#os#Escape(b:netrw_fname,1)." ".netrw#os#Escape(tmpfile,1))
             let result           = s:NetrwGetFile(readcmd, tmpfile, b:netrw_method)
             let b:netrw_lastfile = choice
 
@@ -5304,6 +5307,8 @@ function s:NetrwMarkFileCompress(islocal)
                 if a:islocal
                     if g:netrw_keepdir
                         let fname= netrw#os#Escape(netrw#fs#ComposePath(curdir,fname))
+                    else
+                        let fname= netrw#os#Escape(fname)
                     endif
                     call system(exe." ".fname)
                     if v:shell_error
@@ -5638,6 +5643,8 @@ function s:NetrwMarkFileExe(islocal,enbloc)
                 if a:islocal
                     if g:netrw_keepdir
                         let fname= netrw#os#Escape(netrw#fs#WinPath(netrw#fs#ComposePath(curdir,fname)))
+                    else
+                        let fname= netrw#os#Escape(netrw#fs#WinPath(fname))
                     endif
                 else
                     let fname= netrw#os#Escape(netrw#fs#WinPath(b:netrw_curdir.fname))
@@ -8959,14 +8966,17 @@ function s:GetTempfile(fname)
     endif
 
     " use fname's suffix for the temporary file
+    " Restrict the suffix to word characters so shell metacharacters in a
+    " remote filename (e.g. sftp://host/foo.txt;id) cannot ride along into
+    " the tempfile name and out into a downstream shell command.
     if a:fname != ""
-        if a:fname =~ '\.[^./]\+$'
+        if a:fname =~ '\.\w\+$'
             if a:fname =~ '\.tar\.gz$' || a:fname =~ '\.tar\.bz2$' || a:fname =~ '\.tar\.xz$'
-                let suffix = ".tar".substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
+                let suffix = ".tar".substitute(a:fname,'^.*\(\.\w\+\)$','\1','e')
             elseif a:fname =~ '.txz$'
-                let suffix = ".txz".substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
+                let suffix = ".txz".substitute(a:fname,'^.*\(\.\w\+\)$','\1','e')
             else
-                let suffix = substitute(a:fname,'^.*\(\.[^./]\+\)$','\1','e')
+                let suffix = substitute(a:fname,'^.*\(\.\w\+\)$','\1','e')
             endif
             let tmpfile= substitute(tmpfile,'\.tmp$','','e')
             let tmpfile .= suffix

runtime/pack/dist/opt/netrw/doc/netrw.txt

@@ -2854,10 +2854,6 @@ your browsing preferences.  (see also: |netrw-settings|)
 				such as listing, file removal, etc.
 				 default: ssh
 
-  *g:netrw_tmpfile_escape*	=' &;'
-				escape() is applied to all temporary files
-				to escape these characters.
-
   *g:netrw_timefmt*		specify format string to vim's strftime().
 				The default, "%c", is "the preferred date
 				and time representation for the current

runtime/syntax/algol68.vim

@@ -0,0 +1,470 @@
+" Vim syntax file
+" Language:		Algol 68
+" Version:		0.4
+" Maintainer:		Janis Papanagnou
+" Previous Maintainer:	NevilleD.ALGOL_68@sgr-a.net
+" Last Change:		2026 May 02
+
+if exists("b:current_syntax")
+  finish
+endif
+
+syn sync minlines=250 maxlines=500
+
+" Algol68 Final Report, unrevised
+syn keyword algol68PreProc	PRIORITY
+syn keyword algol68Operator	BTB CTB CONJ QUOTE CT CTAB EITHER SIGN
+
+
+" Algol68 Revised Report
+syn keyword algol68Boolean	TRUE FALSE
+syn keyword algol68Conditional	IF THEN ELSE ELIF FI
+syn keyword algol68Conditional	CASE IN OUT OUSE ESAC
+syn keyword algol68Constant	NIL SKIP EMPTY
+syn keyword algol68Statement	MODE OP PRIO PROC
+syn keyword algol68Label	GOTO 
+syn match   algol68Label	"\<GO TO\>"
+syn keyword algol68Operator	ABS REPR ROUND ENTIER ARG BIN LENG SHORTEN ODD
+syn keyword algol68Operator	SHL SHR ROL ROR UP DOWN LEVEL LWB UPB I RE IM
+syn keyword algol68Operator	OVER MOD ELEM SET CLEAR
+syn keyword algol68Operator	LT LE GE GT
+syn keyword algol68Operator	EQ NE
+syn keyword algol68Operator	AND OR XOR NOT
+" Genie short-circuit pseudo operators
+syn keyword algol68Operator	THEF ANDF ANDTH ELSF ORF OREL
+syn keyword algol68Operator	ANDTHEN ORELSE
+syn keyword algol68Operator	MINUSAB PLUSAB TIMESAB DIVAB OVERAB MODAB PLUSTO
+syn keyword algol68Operator	IS ISNT OF AT
+syn keyword algol68Operator	SORT ELEMS
+syn keyword algol68Repeat	FOR FROM BY UPTO DOWNTO TO WHILE DO UNTIL OD
+syn keyword algol68Statement	PAR BEGIN END EXIT
+syn keyword algol68Struct	STRUCT
+syn keyword algol68PreProc	VECTOR
+syn keyword algol68Type		FLEX HEAP LOC LONG REF SHORT
+syn keyword algol68Type		VOID BOOL INT REAL COMPL CHAR STRING COMPLEX
+syn keyword algol68Type		BITS BYTES FILE CHANNEL PIPE SEMA SOUND
+syn keyword algol68Type		FORMAT STRUCT UNION 
+" Genie extensions in addition to ROUND and ENTIER
+syn keyword algol68Operator	FLOOR CEIL NINT TRUNC FRAC FIX
+
+    " 20011222az: Added new items.
+syn keyword algol68Todo contained	TODO FIXME XXX DEBUG NOTE
+
+
+" String
+syn region  algol68String	matchgroup=algol68String start=+"+ end=+"+ contains=algol68StringEscape
+syn match   algol68StringEscape	contained '""'
+syn match   algol68StringEscape	contained "\\$"
+
+
+syn match   algol68Identifier		"\<[a-z][a-z0-9_]*\>"
+
+
+if exists("algol68_symbolic_operators")
+  syn match   algol68SymbolOperator	"\\"
+  syn match   algol68SymbolOperator	":=\|="
+  syn match   algol68SymbolOperator	"[~^]"
+  syn match   algol68SymbolOperator	"[~^]="
+  syn match   algol68SymbolOperator	"[<>]"
+  syn match   algol68SymbolOperator	"[<>]="
+  syn match   algol68SymbolOperator	"\%([-+*%/]\|%\*\)"
+  syn match   algol68SymbolOperator	"\%([-+*%/]\|%\*\):="
+  syn match   algol68SymbolOperator	"+=:"
+  syn match   algol68SymbolOperator	"*\*\|&"
+  syn match   algol68SymbolOperator	":/\==:"
+endif
+
+syn match  algol68Number	"\<\d\+\%(\s\+\d\+\)*\>"
+
+syn match  algol68Float		"\c\.\d\+\%(\s\+\d\+\)*\%(\s*[e\\⏨]\s*[-+]\?\s*\d\+\%(\s\+\d\+\)*\)\?\>"
+syn match  algol68Float		"\c\<\d\+\%(\s\+\d\+\)*\%(\s*[e\\⏨]\s*[-+]\?\s*\d\+\%(\s\+\d\+\)*\)\>"
+syn match  algol68Float		"\c\<\d\+\%(\s\+\d\+\)*\s*\.\s*\d\+\%(\s\+\d\+\)*\%(\s*[e\\⏨]\s*[-+]\?\s*\d\+\%(\s\+\d\+\)*\)\?\>"
+
+syn match  algol68HexNumber	"\c\<2r\s*[01]\+\%(\s\+[01]\+\)*\>"
+syn match  algol68HexNumber	"\c\<4r\s*[0-3]\+\%(\s\+[0-3]\+\)*\>"
+syn match  algol68HexNumber	"\c\<8r\s*[0-7]\+\%(\s\+[0-7]\+\)*\>"
+syn match  algol68HexNumber	"\c\<16r\s*[0-9a-f]\+\%(\s\+[0-9a-f]\+\)*\>"
+
+
+syn region algol68Special	start="\$"  end="\$" contains=algol68String
+syn region algol68Comment	start="¢"  end="¢" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="£"  end="£" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="#"  end="#" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="\<CO\>"  end="\<CO\>" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="\<COMMENT\>"  end="\<COMMENT\>" contains=algol68Todo,algol68SpaceError
+syn region algol68PreProc	start="\<PR\>"  end="\<PR\>" contains=algol68Todo,algol68SpaceError
+syn region algol68PreProc	start="\<PRAGMAT\>"  end="\<PRAGMAT\>" contains=algol68Todo,algol68SpaceError
+" algol68r
+syn region algol68Comment	start="{"  end="}" contains=algol68Todo,algol68SpaceError
+syn region algol68Comment	start="{{{"  end="}}}" contains=algol68Todo,algol68SpaceError
+
+" ALGOL 68r
+syn keyword algol68PreProc DECS CONTEXT configinfo A68CONFIG KEEP FINISH USE SYSPROCS IOSTATE FORALL
+" ALGOL 68c
+syn keyword algol68PreProc USING ENVIRON FOREACH ASSERT
+
+if !exists("algol68_no_preludes")
+
+
+"  THE STANDARD ENVIRONMENT
+
+"      Enquiries
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(blank\|formfeed\|newline\|null\|tab\|eof\)\s*char\%(acter\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(max\s*abs\|exp\|error\)\s*char\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?max\s*\%(bits\|int\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?\%(max\|min\|small\)\s*real\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\?\%(bits\|bytes\|exp\|int\|real\)\s*width\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(bits\|bytes\|compl\|int\|real\)\s*\%(lengths\|shorths\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(blank\|flip\|flop\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Transput Files and Channels
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<stand\s*\%(in\|out\|back\|error\)\%(\s*channel\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<stand\s*draw\s*channel\>\%(\s*[a-z0-9]\)\@!"
+
+"      Transput Event Routines
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<on\s*\%(\%(line\|page\|\%(logical\s*\|physical\s*\)\?file\|format\)\s*\)end\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<on\s*\%(\%(format\|value\|open\|transput\)\s*\)error\>\%(\s*[a-z0-9]\)\@!"
+
+"      Connections to Files
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(open\|establish\|append\|create\|associate\|close\|lock\|erase\|scratch\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Positioning on Files
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<new\s*line\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<new\s*page\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<back\s*space\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(reset\|rewind\|rewrite\|set\|seek\|space\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      I/O on Files (Standard)
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(get\|put\|print\|read\|write\)\%(f\|\s*bin\)\?\>\%(\s*[a-z0-9]\)\@!"
+
+"      I/O on Files (Algol68C)
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(print\|read\)\s*\%(\%(long\s*\)\?long\s*\)\?\%(int\|real\|complex\|bits\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(print\|read\)\s*\%(bool\|char\|string\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<read\s*line\>\%(\s*[a-z0-9]\)\@!"
+
+"      Enquiries on Files
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(get\|put\|bin\|set\|reset\|rewind\|reidf\|draw\)\s*possible\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<end\s*of\s*\%(file\|line\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(make\s*\)\?term\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(compressible\|eof\|eoln\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Keyboard Control
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cooked\|raw\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Math Constants
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?\%(min\s*real\|\%(minus\s*\)\?infinity\|\%(min\s*\)\?inf\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?pi\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mp\s*radix\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<nan\>\%(\s*[a-z0-9]\)\@!"
+
+"      Math Basic Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\%([a-z0-9]\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(sqrt\|cbrt\|curt\|exp\|ln\|log\)\>\%(\s*[a-z0-9]\)\@!\%(\s\{1,7}[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln\s*abs\>\%(\s*[a-z0-9]\)\@!"
+
+"      Math Trigonometric Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(arc\s*\|a\)\?\%(sin\|cos\|tan\|cot\|sec\|csc\|cas\)\%(h\|\%(\s*dg\)\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(arc\s*\|a\)\?tan2\%(\s*dg\)\?\>\%(\s*[a-z0-9]\)\@!"
+  " long-long-sinpi/cospi/tanpi/cotpi
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(sin\|cos\|tan\|cot\)\s*pi\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln\s*\%(sinh\|cosh\)\>\%(\s*[a-z0-9]\)\@!"
+  " a special case in Genie?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<atan\s*int\>\%(\s*[a-z0-9]\)\@!"
+
+"      Random Number Generator
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?\%(next\s*\)\?random\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<first\s*random\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<rnd\>\%(\s*[a-z0-9]\)\@!"
+
+"      Garbage Collection and Memory
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<collect\s*seconds\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<garbage\%(\s*\%(collections\|freed\|refused\|seconds\)\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<gc\s*heap\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<on\s*gc\s*event\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<preemptive\s*\%(gc\|sweep\%(\s*heap\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sweep\s*heap\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sweeps\%(\s*refused\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(system\s*\)\?\%(heap\|stack\)\s*pointer\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(actual\|system\)\s*stack\s*size\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(blocks\|collections\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      I/O on Strings
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(puts\|gets\|string\)f\?\>\%(\s*[a-z0-9]\)\@!"
+"      Character Type Tests
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<is\s*\%(alnum\|alpha\|cntrl\|digit\|graph\|lower\|print\|punct\|space\|upper\|xdigit\)\>\%(\s*[a-z0-9]\)\@!"
+"      Operations on Characters
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<to\s*\%(upper\|lower\)\>\%(\s*[a-z0-9]\)\@!"
+"      Search in Strings
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(char\|last\s*char\|string\)\s*in\s*string\>\%(\s*[a-z0-9]\)\@!"
+
+"      Time and Date
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cpu\|wall\|utc\|local\)\s*time\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(wall\s*\)\?clock\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(wall\s*\)\?seconds\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sleep\>\%(\s*[a-z0-9]\)\@!"
+
+"      Type Operations
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(long\s*\)\?\%(bits\|bytes\)\s*pack\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(long\s*long\s*\)\?bits\s*pack\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\%([a-z0-9]\s\+\)\@8<!\<\%(bits\|whole\|fixed\|float\|real\)\>\%(\s*[a-z0-9]\)\@!\%(\s*[a-z0-9]\)\@!"
+
+"      Runtime
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(program\s*\)\?idf\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(backtrace\|break\|debug\|monitor\|abend\|evaluate\|system\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(i32\|i64\|r64\|r128\)mach\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  UNIX EXTENSIONS
+
+"      Environment Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(a68g\s*\)\?\%(argc\|argv\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<get\s*env\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<reset\s*errno\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<str\s*error\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(get\|set\)\s*pwd\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(rows\|columns\|abend\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<errno\>\%(\s*[a-z0-9]\)\@!"
+
+"      Processes
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<execve\%(\s*child\%(\s*pipe\)\?\|\s*output\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<exec\%(\s*sub\%(\s*pipeline\|\s*output\)\?\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<fork\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<wait\s*pid\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<create\s*pipe\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<peek\s*char\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sig\s*segv\>\%(\s*[a-z0-9]\)\@!"
+
+"      File types and attributes
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<file\s*is\s*\%(block\s*device\|char\s*device\|directory\|regular\|fifo\|link\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<file\s*mode\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<get\s*directory\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<real\s*path\>\%(\s*[a-z0-9]\)\@!"
+
+"      Fetching web page contents and sending requests
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<https\?\s*\%(content\|timeout\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<tcp\s*request\>\%(\s*[a-z0-9]\)\@!"
+
+"      Regular expressions in string manipulation
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<grep\s*in\s*\%(sub\)\?string\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<sub\s*in\s*string\>\%(\s*[a-z0-9]\)\@!"
+
+"      Curses support
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<curses\s*\%(start\|end\|clear\|refresh\|get\s*char\|put\s*char\|move\|lines\|columns\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<curses\s*\%(green\|cyan\|red\|yellow\|magenta\|blue\|white\)\%(\s*inverse\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<curses\s*del\s*char\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  POSTGRESQL CLIENT ROUTINES
+
+"      Connecting to a server
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pq\s*\%(connect\s*db\|finish\|reset\|parameter\s*status\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Sending queries and retrieving results
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pq\s*\%(exec\|ntuples\|nfields\|fname\|fnumber\|fformat\|get\s*is\s*null\|get\s*value\|cmd\s*status\|cmd\s*tuples\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Connection status information
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pq\s*\%(\%(result\s*\)\?error\s*message\|db\|user\|pass\|host\|port\|tty\|options\|\%(protocol\|server\)\s*version\|socket\|backend\s*pid\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  SOUND
+
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(new\|get\|set\)\s*sound\>\%(\s*[a-z0-9]\)\@!"
+  syn keyword algol68Operator RESOLUTION CHANNELS RATE SAMPLES
+
+
+"  DRAWING USING THE GNU PLOTTING UTILITIES
+
+"      Setting up a graphics device
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(device\|erase\|show\|move\|aspect\|fill\s*style\|line\s*style\|line\s*width\|clear\|flush\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<make\s*device\>\%(\s*[a-z0-9]\)\@!"
+
+"      Specifying colours
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(\%(background\s*\)\?colou\?r\%(\s*name\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*get\s*colou\?r\s*name\>\%(\s*[a-z0-9]\)\@!"
+
+"      Drawing objects
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(point\|line\|rect\|circle\|ball\|star\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      Drawing text
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<draw\s*\%(text\%(\s*angle\)\?\|font\s*\%(name\|size\)\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+"  EXTRA NUMERICAL PROCEDURES
+
+"      COMPLEX Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?c\%(omplex\s*\)\?\%(sqrt\|exp\|ln\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(long\s*\)\?long\s*\)\?complex\s*\%(arc\s*\)\?\%(sin\|cos\|tan\)h\?\>\%(\s*[a-z0-9]\)\@!"
+  " cas casin casinh dcas dcasin dcasinh qcas qcasin qcasinh longcas longlongcas
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[dq]\?\)ca\?\%(sin\|cos\|tan\)h\?\>\%(\s*[a-z0-9]\)\@!"
+  " a special case in Genie?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<long\s*complex\s*atanh\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Airy Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<airy\s*[ab]i\%(\s*deriv\)\?\%(\s*scaled\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<airy\s*[ab]i\%(\s*derivative\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<airy\s*zero\s*[ab]i\%(\s*deriv\)\?\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Bessel Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(jn\|yn\|in\|exp\s*in\|kn\|exp\s*kn\|jl\|yl\|exp\s*il\|exp\s*kl\|jnu\|ynu\|inu\|exp\s*inu\|knu\|exp\s*knu\)\>\%(\s*[a-z0-9]\)\@!"
+
+  " only a few could be sensibly merged; we keep them apart
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(il[012]\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(in[01]\%(\s*scaled\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(in\s*u\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(j\%(\l[012]\|n[01]\)\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(kl[012]\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(kn[01]\%(\s*scaled\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(kn\s*[u_]\?\s*scaled\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*ln\s*knu\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*\%(y\%(\l[012]\|n[01]\)\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<bessel\s*zero\s*j\%([01]\|nu\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Elliptic Integrals
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<elliptic\s*integral\s*\%(k\|e\|rf\<rd\|rj\|rc\)\>\%(\s*[a-z0-9]\)\@!"
+
+"      REAL Error and Gamma Functions
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(ln\s*\)\?\%(fact\|choose\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<prime\s*factors\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(long\s*\)\?long\s*\)\|[qd]\)\?\%(inv\%(erse\)\?\s*\)\?erfc\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mpfr\s*\%(\%(\%(long\s*\)\?long\s*\)\|q\)\?\%(inv\s*\)\?erfc\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(\%(mpfr\s*\)\?long\s*\)\?long\s*\)\|\%(d\|\%(mpfr\s*\)\?q\)\)\?\%(beta\|gamma\)\%(\s*inc\s*g\?f\?\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<beta\s*inc\s*gsl\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(\%(\%(\%(mpfr\s*\)\?long\s*\)\?long\s*\)\|\%(d\|\%(mpfr\s*\)\?q\)\)\?ln\s*\%(beta\|gamma\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mpfr\s*mp\>\%(\s*[a-z0-9]\)\@!"
+  " is the following a special case in Genie?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mpfr\s*\%(long\s*\|d\)gamma\s*inc\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "gamma\s*\%(\%(inc\s*\%(gsl\|[pq]\)\)\|inv\|star\)\>\%(\s*\%([a-z_]\|\l\d\+\)\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<lj[ef]\s*126\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln1p\>\%(\s*[a-z0-9]\)\@!"
+
+
+
+"      Scaling Factors
+
+  " strangely missing some common factors (hecto, deca, deci, centi),
+  " also myria, and the more extreme factors (quetta, ronna, ronto, quecto)
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<num\s*\%(yotta\|zetta\|exa\|peta\|tera\|giga\|mega\|kilo\|milli\|micro\|nano\|pico\|femto\|atto\|zepto\|yocto\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+"      Physical Constants
+
+"          Fundamental Constants
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(boltzmann\|faraday\|gauss\|hectare\|\%(kilometers\|miles\)\s*per\s*hour\|micron\|molar\s*gas\|planck\s*constant\%(\s*bar\)\?\|speed\s*of\s*light\|standard\s*gas\s*volume\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<mksa\s*vacuum\s*\%(permeability\|permittivity\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<num\s*avogadro\>\%(\s*[a-z0-9]\)\@!"
+
+"          Astronomy and Astrophysics
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(astronomical\s*unit\|grav\s*accel\|gravitational\s*constant\|light\s*year\|parsec\|solar\s*mass\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Atomic and Nuclear Physics
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(angstrom\|barn\|bohr\s*magneton\|bohr\s*radius\|electron\s*\%(charge\|magnetic\s*moment\|volt\)\|mass\s*\%(electron\|muon\|neutron\|proton\)\|nuclear\s*magneton\|proton\s*magnetic\s*moment\|rydberg\|unified\s*atomic\s*mass\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<num\s*fine\s*structure\>\%(\s*[a-z0-9]\)\@!"
+
+"          Time
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(day\|hour\|minute\|week\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Imperial units
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(foot\|inch\|mil\|mile\|yard\|\%(tex\)\?point\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Nautical units
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(fathom\|knot\|nautical\s*mile\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Volume
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(acre\|\%(canadian\|uk\|us\)\s*gallon\|liter\|pint\|quart\|cup\|fluid\s*ounce\|\%(table\|tea\)\s*spoon\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Mass and weight
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(carat\|\%(gram\|\%(kilo\s*\)\?pound\)\s*force\|\%(metric\s*\|uk\s*\)\?ton\|\%(ounce\|pound\)\s*mass\|poundal\|troy\s*ounce\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Thermal energy and power
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(btu\|calorie\|horsepower\|therm\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Pressure
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(bar\|inch\s*of\s*\%(mercury\|water\)\|meter\s*of\s*mercury\|psi\|std\s*atmosphere\|torr\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Viscosity
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(poise\|stokes\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Light and illumination
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(foot\s*candle\|foot\s*lambert\|lambert\|lumen\|lux\|phot\|stilb\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Radioactivity
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(curie\|rad\|roentgen\)\>\%(\s*[a-z0-9]\)\@!"
+
+"          Force and energy
+  syn match algol68Predefined "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(cgs\|mksa\)\s*\%(dyne\|erg\|joule\|newton\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+" Functions from GSL
+
+  syn keyword algol68Operator	CV RV T INV PINV MEAN DET TRACE NORM DYAD BEFORE ABOVE
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<angle\s*restrict\s*\%(pos\|symm\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<conical\s*p\s*\%([01]\|cylreg\|m\?half\|sph\s*reg\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<cholesky\s*\%(decomp\|solve\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<debye\s*[1-6]\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ellint\s*\%([defp]\|[ekp]\s*comp\|r[cdfj]\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(expint\s*\%(3\|e[12in]\)\|expm1\|exprel[2n]\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<fermi\s*dirac\s*\%([012]\|3\?half\|inc0\|int\|m1\|mhalf\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<fft\s*\%(complex\s*\)\?\%(forward\|backward\|inverse\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(gegenpoly\|laguerre\)\s*[123n]\s*real\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<lambert\s*\%(w0\|wm1\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<legendre\s*\%(h3d\%([01]\)\?\|p[123l]\|q[01l]\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<pseudo\s*inv\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<psi\s*\%(1\%(\s*int\|\s*piy\)\?\|int\|n\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<synchrotron\s*[12]\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<taylor\s*coeff\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<transport\s*[2-5]\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<zeta\%(\s*m1\)\?\%(\s*int\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(chi\|ci\|clausen\|dawson\|digamma\|dilog\|\%(ln\s*\)\?doublefact\|eta\|eta\s*int\|hermite\s*func\|hypot\|hzeta\|laplace\|shi\|si\|sinc\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<ln1\s*\%(plusx\%(mx\)\?\)\?\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(compl\s*\)\?\%(matrix\|vector\)\s*echo\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<print\s*\%(matrix\|vector\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(complex\s*\)\?lu\s*\%(decomp\|det\|inv\|solve\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<left\s*columns\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(ols\|tls\|pcacv\|pcasvd\|pcr\|pls[12]\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<\%(ln\s*poch\|poch\s*\%(rel\)\?\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<qr\s*\%(decomp\|\%(ls\s*\)\?solve\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<svd\s*\%(decomp\|solve\)\>\%(\s*[a-z0-9]\)\@!"
+
+
+" Functions from R Mathlib
+
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]n\?\s*binom\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*\%(di\|tri\|tetra\|penta\|psi\)\s*gamma\>\%(\s*[a-z0-9]\)\@!"
+  " note: Genie documents 'r rn chisq' but it's missing in the code?
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]n\?\s*chisq\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]\%(\s*n\)\?\s*f\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpq]\%(\s*n\)\?\s*t\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]\s*\%(l\s*\)\?norm\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[dpqr]\s*\%(beta\|cauchy\|exp\|geom\|hyper\|logis\|pois\|sign\s*rank\|t\|unif\|weibull\|wilcox\)\>\%(\s*[a-z0-9]\)\@!"
+  syn match algol68Function "\%(\%([a-z_]\|\l\d\+\)\s\+\)\@8<!\<r\s*[pq]\s*tu\s*key\>\%(\s*[a-z0-9]\)\@!"
+
+
+endif
+
+" Define the default highlighting.
+hi def link algol68Boolean		Boolean
+hi def link algol68Comment		Comment
+hi def link algol68Conditional		Conditional
+hi def link algol68Constant		Constant
+hi def link algol68Float		Float
+hi def link algol68Function		Function
+hi def link algol68Label		Label
+hi def link algol68MatrixDelimiter	Identifier
+hi def link algol68HexNumber		Number
+hi def link algol68Number		Number
+hi def link algol68Operator		Operator
+hi def link algol68Predefined		Identifier
+hi def link algol68PreProc		PreProc
+hi def link algol68Repeat		Repeat
+hi def link algol68SpaceError		Error
+hi def link algol68Statement		Statement
+hi def link algol68String		String
+hi def link algol68StringEscape		Special
+hi def link algol68Struct		algol68Statement
+hi def link algol68SymbolOperator	algol68Operator
+hi def link algol68Todo			Todo
+hi def link algol68Type			Type
+hi def link algol68ShowTab		Error
+
+let b:current_syntax = "algol68"
+
+" vim: ts=8 sw=2

runtime/syntax/autohotkey.vim

@@ -3,6 +3,8 @@
 " Maintainer:       Michael Wong
 "                   https://github.com/mmikeww/autohotkey.vim
 " Latest Revision:  2022-07-25
+" Last Change:
+" 2026 Apr 20 by Vim project: remove wrong oneline keyword #20018
 " Previous Maintainers:       SungHyun Nam <goweol@gmail.com>
 "                             Nikolai Weibull <now@bitwi.se>
 
@@ -35,7 +37,6 @@ syn region autohotkeyString
 
 syn match autohotkeyVariable
       \ display
-      \ oneline
       \ contains=autohotkeyBuiltinVariable
       \ keepend
       \ '%\S\{-}%'
@@ -123,7 +124,7 @@ syn keyword autohotkeyCommand
 
 syn keyword autohotkeyFunction
       \ InStr RegExMatch RegExReplace StrLen SubStr Asc Chr Func
-      \ DllCall VarSetCapacity WinActive WinExist IsLabel OnMessage 
+      \ DllCall VarSetCapacity WinActive WinExist IsLabel OnMessage
       \ Abs Ceil Exp Floor Log Ln Mod Round Sqrt Sin Cos Tan ASin ACos ATan
       \ FileExist GetKeyState NumGet NumPut StrGet StrPut RegisterCallback
       \ IsFunc Trim LTrim RTrim IsObject Object Array FileOpen

runtime/syntax/autopkgtest.vim

@@ -2,6 +2,7 @@
 " Language:    Debian autopkgtest control files
 " Maintainer:  Debian Vim Maintainers
 " Last Change: 2025 Jul 05
+" 2026 May 05 by Vim project: fix typos
 " URL: https://salsa.debian.org/vim-team/vim-debian/blob/main/syntax/autopkgtest.vim
 "
 " Specification of the autopkgtest format is available at:
@@ -31,10 +32,10 @@ syn match autopkgtestTests contained "[a-z0-9][a-z0-9+.-]\+\%(,\=\s*[a-z0-9][a-z
 syn match autopkgtestArbitrary contained "[^#]*"
 syn keyword autopkgtestRestrictions contained
       \ allow-stderr
-      \ breaks-testbe
-      \ build-neede
+      \ breaks-testbed
+      \ build-needed
       \ flaky
-      \ hint-testsuite-trigger
+      \ hint-testsuite-triggers
       \ isolation-container
       \ isolation-machine
       \ needs-internet
@@ -43,10 +44,11 @@ syn keyword autopkgtestRestrictions contained
       \ needs-sudo
       \ rw-build-tree
       \ skip-foreign-architecture
-      \ skip-not-installable
       \ skippable
       \ superficial
-syn keyword autopkgtestDeprecatedRestrictions contained needs-recommends
+syn keyword autopkgtestDeprecatedRestrictions contained
+      \ needs-recommends
+      \ skip-not-installable
 syn match autopkgtestFeatures contained 'test-name=[^, ]*\%([, ]*[^, #]\)*,\='
 syn match autopkgtestDepends contained '\%(@builddeps@\|@recommends@\|@\)'
 

runtime/syntax/bitbake.vim

@@ -7,6 +7,7 @@
 " Last Change:  2022 Jul 25
 " 2025 Oct 13 by Vim project: update multiline function syntax #18565
 " 2026 Apr 07 by Vim project: update syntax script #19931
+" 2026 Apr 15 by Vim project: allow forward-slashes in bitbake varflags #19983
 "
 " This file is licensed under the MIT license, see COPYING.MIT in
 " this source distribution for the terms.
@@ -59,7 +60,7 @@ syn match bbVarValue            ".*$" contained contains=bbString,bbVarDeref,bbV
 syn region bbVarPyValue         start=+${@+ skip=+\\$+ end=+}+ contained contains=@python
 
 " Vars metadata flags
-syn match bbVarFlagDef          "^\([a-zA-Z0-9\-_\.]\+\)\(\[[a-zA-Z0-9\-_\.+]\+\]\)\@=" contains=bbIdentifier nextgroup=bbVarFlagFlag
+syn match bbVarFlagDef          "^\([a-zA-Z0-9\-_\.+/]\+\)\(\[[a-zA-Z0-9\-_\.+/]\+\]\)\@=" contains=bbIdentifier nextgroup=bbVarFlagFlag
 syn region bbVarFlagFlag        matchgroup=bbArrayBrackets start="\[" end="\]\s*\(:=\|=\|.=\|=.|+=\|=+\|?=\)\@=" contained contains=bbIdentifier nextgroup=bbVarEq
 
 " Includes and requires

runtime/syntax/cabal.vim

@@ -5,8 +5,12 @@
 " Previous Maintainer:	Vincent Berthoux <twinside@gmail.com>
 " File Types:   .cabal
 " Last Change:  22 Oct 2022
+"
+" 2026 Apr 29 by Léana: add missing haskell language editions
+" 2026 Apr 20 by Vim project: remove wrong oneline keyword #20018
+"
 " v1.6: Added support for foreign-libraries
-"       Added highlighting for various fields 
+"       Added highlighting for various fields
 " v1.5: Incorporated changes from
 "       https://github.com/sdiehl/haskell-vim-proto/blob/master/vim/syntax/cabal.vim
 "       Use `syn keyword` instead of `syn match`.
@@ -25,7 +29,7 @@
 "       Cabal known compiler are highlighted too.
 "
 " V1.2: Added cpp-options which was missing. Feature implemented
-"       by GHC, found with a GHC warning, but undocumented. 
+"       by GHC, found with a GHC warning, but undocumented.
 "       Whatever...
 "
 " v1.1: Fixed operator problems and added ftdetect file
@@ -186,19 +190,20 @@ syn match cabalVersionRegionA
 	\ contains=cabalVersionOperator,cabalVersion
 	\ keepend
 	\ /\%(==\|\^\?>=\|<=\|<\|>\)\s*\d\+\%(\.\d\+\)*\%(\.\*\)\?\>/
-" version inside `version: ...` 
+" version inside `version: ...`
 syn match cabalVersionRegionB
 	\ contains=cabalStatementRegion,cabalVersionOperator,cabalVersion
 	\ /^\s*\%(cabal-\)\?version\s*:.*$/
 
-syn keyword cabalLanguage Haskell98 Haskell2010
+" See the following link for all Haskell language editions supported by Cabal.
+" https://cabal.readthedocs.io/en/stable/cabal-package-description-file.html#pkg-field-default-language
+syn keyword cabalLanguage Haskell98 Haskell2010 GHC2021 GHC2024
 
 " title region
 syn match cabalName contained /:\@<=.*/
 syn match cabalNameRegion
 	\ contains=cabalStatementRegion,cabalName
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*name\s*:.*$/
 
 " author region
@@ -206,7 +211,6 @@ syn match cabalAuthor contained /:\@<=.*/
 syn match cabalAuthorRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalAuthor
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*author\s*:.*$/
 
 " maintainer region
@@ -214,7 +218,6 @@ syn match cabalMaintainer contained /:\@<=.*/
 syn match cabalMaintainerRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalMaintainer
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*maintainer\s*:.*$/
 
 " license region
@@ -222,7 +225,6 @@ syn match cabalLicense contained /:\@<=.*/
 syn match cabalLicenseRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalLicense
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*license\s*:.*$/
 
 " license-file region
@@ -230,7 +232,6 @@ syn match cabalLicenseFile contained /:\@<=.*/
 syn match cabalLicenseFileRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalLicenseFile
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*license-file\s*:.*$/
 
 " tested-with region with compilers and versions
@@ -238,7 +239,6 @@ syn keyword cabalCompiler contained ghc nhc yhc hugs hbc helium jhc lhc
 syn match cabalTestedWithRegion
 	\ contains=cabalStatementRegion,cabalStatement,cabalCompiler,cabalVersionRegionA
 	\ nextgroup=cabalStatementRegion
-	\ oneline
 	\ /^\c\s*tested-with\s*:.*$/
 
 " build type keywords

runtime/syntax/django.vim

@@ -3,6 +3,7 @@
 " Maintainer:	Dave Hodder <dmh@dmh.org.uk>
 " Last Change:	2021 Nov 29
 " 2026 Feb 12 by Vim Project add partial support #19386
+" 2026 Apr 17 by Vim Project Update to Django 5.2 version #19994
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -22,24 +23,23 @@ syn keyword djangoStatement contained autoescape csrf_token empty
 syn keyword djangoStatement contained and as block endblock by cycle debug else elif
 syn keyword djangoStatement contained extends filter endfilter firstof for
 syn keyword djangoStatement contained endfor if endif ifchanged endifchanged
-syn keyword djangoStatement contained ifequal endifequal ifnotequal
-syn keyword djangoStatement contained endifnotequal in include load not now or
-syn keyword djangoStatement contained parsed regroup reversed spaceless
-syn keyword djangoStatement contained endspaceless ssi templatetag openblock
+syn keyword djangoStatement contained in include load not now
+syn keyword djangoStatement contained regroup reversed spaceless
+syn keyword djangoStatement contained endspaceless templatetag openblock
 syn keyword djangoStatement contained closeblock openvariable closevariable
-syn keyword djangoStatement contained openbrace closebrace opencomment
+syn keyword djangoStatement contained openbrace closebrace opencomment or
 syn keyword djangoStatement contained closecomment widthratio url with endwith
-syn keyword djangoStatement contained get_current_language trans noop blocktrans
-syn keyword djangoStatement contained endblocktrans get_available_languages
-syn keyword djangoStatement contained get_current_language_bidi plural
+syn keyword djangoStatement contained get_current_language noop get_available_languages
+syn keyword djangoStatement contained get_current_language_bidi get_language_info plural
 syn keyword djangoStatement contained translate blocktranslate endblocktranslate
 syn keyword djangoStatement contained partialdef endpartialdef partial
+syn keyword djangoStatement contained querystring lorem verbatim
 
 " Django templete built-in filters
 syn keyword djangoFilter contained add addslashes capfirst center cut date
 syn keyword djangoFilter contained default default_if_none dictsort
 syn keyword djangoFilter contained dictsortreversed divisibleby escape escapejs
-syn keyword djangoFilter contained filesizeformat first fix_ampersands
+syn keyword djangoFilter contained filesizeformat first
 syn keyword djangoFilter contained floatformat get_digit join last length length_is
 syn keyword djangoFilter contained linebreaks linebreaksbr linenumbers ljust
 syn keyword djangoFilter contained lower make_list phone2numeric pluralize
@@ -48,6 +48,7 @@ syn keyword djangoFilter contained safe safeseq stringformat striptags
 syn keyword djangoFilter contained time timesince timeuntil title truncatechars
 syn keyword djangoFilter contained truncatewords truncatewords_html unordered_list upper urlencode
 syn keyword djangoFilter contained urlize urlizetrunc wordcount wordwrap yesno
+syn keyword djangoFilter contained force_escape iriencode json_script truncatechars_html
 
 " Keywords to highlight within comments
 syn keyword djangoTodo contained TODO FIXME XXX

runtime/syntax/dockerfile.vim

@@ -1,6 +1,7 @@
 " dockerfile.vim - Syntax highlighting for Dockerfiles
 " Maintainer:   Honza Pokorny <https://honza.ca>
 " Last Change:  2024 Dec 20
+"               2026 Mar 26 by Vim Project: dockerfileShell comments (#19829)
 " License:      BSD
 
 " https://docs.docker.com/engine/reference/builder/
@@ -31,7 +32,7 @@ syntax match dockerfileInstruction contained /\v<(SHELL|VOLUME)>/
 
 syntax region dockerfileString contained start=/\v"/ skip=/\v\\./ end=/\v"/
 syntax region dockerfileJSON   contained keepend start=/\v\[/ skip=/\v\\\_./ end=/\v$/ contains=@JSON
-syntax region dockerfileShell  contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=@Shell
+syntax region dockerfileShell  contained keepend start=/\v/ skip=/\v\\\_.|^\s*#.*/ end=/\v$/ contains=@Shell
 syntax region dockerfileValue  contained keepend start=/\v/ skip=/\v\\\_./ end=/\v$/ contains=dockerfileString
 
 syntax region dockerfileComment start=/\v^\s*#/ end=/\v$/ contains=@Spell

runtime/syntax/generator/vim.vim.base

@@ -1860,10 +1860,11 @@ syn keyword	vimSynType		contained	include	skipwhite nextgroup=vimSynIncludeClust
 syn match	vimSynIncludeCluster	contained	"@[_a-zA-Z0-9]\+\>"
 
 " Syntax: keyword {{{2
-syn cluster	vimSynKeyGroup	contains=@vimContinue,vimSynCchar,vimSynNextgroup,vimSynKeyOpt,vimSynContainedin
+syn cluster	vimSynKeyGroup	contains=@vimContinue,vimSynCchar,vimSynNextgroup,vimSynKeyOpt,vimSynContainedin,vimSynKeyError
 syn keyword	vimSynType	contained	keyword	skipwhite nextgroup=vimSynKeyRegion
 syn region	vimSynKeyRegion	contained         keepend	matchgroup=vimGroupName start="\h\w*\>" skip=+\\\\\|\\|\|\n\s*\%(\\\|"\\ \)+ matchgroup=vimCmdSep end="|\|$" contains=@vimSynKeyGroup
 syn match	vimSynKeyOpt	contained	"\%#=1\<\%(conceal\|contained\|transparent\|skipempty\|skipwhite\|skipnl\)\>"
+syn match	vimSynKeyError	contained	"\<oneline\>"
 
 " Syntax: match {{{2
 syn cluster	vimSynMtchGroup	contains=@vimContinue,vimSynCchar,vimSynContains,vimSynContainedin,vimSynError,vimSynMtchOpt,vimSynNextgroup,vimSynRegPat,vimNotation,vimMtchComment
@@ -2431,6 +2432,7 @@ if !exists("skip_vim_syntax_inits")
   hi def link vimSyncError	vimError
   hi def link vimSynConcealError	vimError
   hi def link vimSynError	vimError
+  hi def link vimSynKeyError	vimError
   hi def link vimSynFoldlevelError	vimError
   hi def link vimSynIskeywordError	vimError
   hi def link vimSynSpellError	vimError

runtime/syntax/graphql.vim

@@ -4,7 +4,7 @@
 " Filenames:	*.graphql *.graphqls *.gql
 " URL:		https://github.com/jparise/vim-graphql
 " License:	MIT <https://opensource.org/license/mit>
-" Last Change:	2024 Dec 21
+" Last Change:	2026 Apr 21
 
 if !exists('main_syntax')
   if exists('b:current_syntax')
@@ -26,8 +26,13 @@ syn match graphqlOperator   "\M..." display
 syn keyword graphqlBoolean  true false
 syn keyword graphqlNull     null
 syn match   graphqlNumber   "-\=\<\%(0\|[1-9]\d*\)\%(\.\d\+\)\=\%([eE][-+]\=\d\+\)\=\>" display
-syn region  graphqlString   start=+"+  skip=+\\\\\|\\"+  end=+"\|$+
-syn region  graphqlString   start=+"""+ skip=+\\"""+ end=+"""+
+syn region  graphqlString   start=+"+  skip=+\\\\\|\\"+  end=+"\|$+  contains=graphqlEscape
+syn region  graphqlString   start=+"""+ skip=+\\"""+ end=+"""+  contains=graphqlEscape
+
+syn match   graphqlEscape   +\\["\\/bfnrt]+ contained display
+syn match   graphqlEscape   +\\u\x\{4}+     contained display
+syn match   graphqlEscape   +\\u{\x\+}+     contained display
+syn match   graphqlEscape   +\\""\"+        contained display
 
 syn keyword graphqlKeyword repeatable nextgroup=graphqlKeyword skipwhite
 syn keyword graphqlKeyword on nextgroup=graphqlType,graphqlDirectiveLocation skipwhite
@@ -45,11 +50,11 @@ syn match graphqlVariable   "\<\$\h\w*\>"  display
 syn match graphqlName       "\<\h\w*\>"    display
 syn match graphqlType       "\<_*\u\w*\>"  display
 
-" https://spec.graphql.org/October2021/#ExecutableDirectiveLocation
+" https://spec.graphql.org/September2025/#ExecutableDirectiveLocation
 syn keyword graphqlDirectiveLocation QUERY MUTATION SUBSCRIPTION FIELD
 syn keyword graphqlDirectiveLocation FRAGMENT_DEFINITION FRAGMENT_SPREAD
 syn keyword graphqlDirectiveLocation INLINE_FRAGMENT VARIABLE_DEFINITION
-" https://spec.graphql.org/October2021/#TypeSystemDirectiveLocation
+" https://spec.graphql.org/September2025/#TypeSystemDirectiveLocation
 syn keyword graphqlDirectiveLocation SCHEMA SCALAR OBJECT FIELD_DEFINITION
 syn keyword graphqlDirectiveLocation ARGUMENT_DEFINITION INTERFACE UNION
 syn keyword graphqlDirectiveLocation ENUM ENUM_VALUE INPUT_OBJECT
@@ -73,6 +78,7 @@ hi def link graphqlBoolean          Boolean
 hi def link graphqlNull             Keyword
 hi def link graphqlNumber           Number
 hi def link graphqlString           String
+hi def link graphqlEscape           Special
 
 hi def link graphqlDirective        PreProc
 hi def link graphqlDirectiveLocation Special

runtime/syntax/javascript.vim

@@ -1,18 +1,12 @@
 " Vim syntax file
-" Language:	JavaScript
-" Maintainer:	Claudio Fleiner <claudio@fleiner.com>
-" Updaters:	Scott Shattuck (ss) <ss@technicalpursuit.com>
-" URL:		http://www.fleiner.com/vim/syntax/javascript.vim
-" Changes:	(ss) added keywords, reserved words, and other identifiers
-"		(ss) repaired several quoting and grouping glitches
-"		(ss) fixed regex parsing issue with multiple qualifiers [gi]
-"		(ss) additional factoring of keywords, globals, and members
-" Last Change:	2022 Jun 09
-" 		2013 Jun 12: adjusted javaScriptRegexpString (Kevin Locke)
-" 		2018 Apr 14: adjusted javaScriptRegexpString (LongJohnCoder)
-" 		2024 Aug 14: fix a few stylistic issues (#15480)
-" 		2025 Aug 07: as is a reserved keyword (#17912)
-" 		2025 Sep 24: using is a reserved keyword (Devin Weaver)
+" Language:		JavaScript
+" Maintainer:		This runtime file is looking for a maintainer.
+" Previous Maintainer:	Claudio Fleiner <claudio@fleiner.com>
+" Contributors:		Scott Shattuck <ss@technicalpursuit.com>
+" 			Kevin Locke
+" 			LongJohnCoder
+" 			Devin Weaver
+" Last Change:		2026 Apr 26
 
 " tuning parameters:
 " unlet javaScript_fold
@@ -52,7 +46,14 @@ syn match   javaScriptNumber           "\<\d\+\(_\d\+\)*[eE][+-]\?\d\+\>"
 syn match   javaScriptNumber           "\<[1-9]\d*\(_\d\+\)*\(\.\(\d\+\(_\d\+\)*\([eE][+-]\?\d\+\)\?\)\?\)\?\>"
 syn match   javaScriptNumber           "\<\(\d\+\(_\d\+\)*\)\?\.\d\+\(_\d\+\)*\([eE][+-]\?\d\+\)\?\>"
 syn match   javaScriptNumber           "\<\d\+\(_\d\+\)*\.\(\d\+\(_\d\+\)*\([eE][+-]\?\d\+\)\?\)\?\>"
-syn region  javaScriptRegexpString     start=+[,(=+]\s*/[^/*]+ms=e-1,me=e-1 skip=+\\\\\|\\/+ end=+/[gimuys]\{0,2\}\s*$+ end=+/[gimuys]\{0,2\}\s*[+;.,)\]}]+me=e-1 end=+/[gimuys]\{0,2\}\s\+\/+me=e-1 contains=@htmlPreproc,javaScriptComment oneline
+syn region  javaScriptRegexpString
+      \ start=+\%([,(=+]\s*\)\@8<=/[^/*]+
+      \ skip=+\\\\\|\\/+
+      \ end=+/[dgimsuvy]\{0,7\}\ze\s*$+
+      \ end=+/[dgimsuvy]\{0,7\}\ze\s*[+;.,)\]}]+
+      \ end=+/[dgimsuvy]\{0,7\}\ze\s\+\/+
+      \ contains=@htmlPreproc,javaScriptComment
+      \ oneline
 
 syn keyword javaScriptConditional	if else switch
 syn keyword javaScriptRepeat		while for do in of

runtime/syntax/make.vim

@@ -9,6 +9,7 @@
 " 2025 Oct 25 by Vim project: update makeTargetinDefine highlighting (#18570)
 " 2025 Dec 23 by Vim project: fix too greedy match (#18938)
 " 2025 Dec 23 by Vim project: wrong highlight with paranthesis inside quotes (#18818)
+" 2026 Apr 17 by Vim project: wrong highlight $ inside quotes (#19986)
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -41,7 +42,7 @@ endif
 syn match makeIdent	"\$\$\w*"
 syn match makeIdent	"\$\$\$\$\w*" containedin=makeDefine
 syn match makeIdent	"\$[^({]"
-syn match makeIdent	"\$\$[^({]" containedin=makeDefine
+syn match makeIdent	"\$\$[^({\"']" containedin=makeDefine
 if get(b:, 'make_flavor', s:make_flavor) == 'microsoft'
   syn region makeIdent	start="\$(" end=")" contains=makeStatement,makeIdent,makeDString,makeSString
   syn region makeIdent	start="\${" end="}" contains=makeStatement,makeIdent,makeDString,makeSString

runtime/syntax/monk.vim

@@ -2,6 +2,7 @@
 " Language: Monk (See-Beyond Technologies)
 " Maintainer: Mike Litherland <litherm@ccf.org>
 " Last Change: 2012 Feb 03 by Thilo Six
+" 2026 Apr 20 by Vim project: remove wrong oneline keyword #20018
 
 " This syntax file is good enough for my needs, but others
 " may desire more features.  Suggestions and bug reports
@@ -33,8 +34,8 @@ syn case ignore
 
 " Fascist highlighting: everything that doesn't fit the rules is an error...
 
-syn match	monkError	oneline    ![^ \t()";]*!
-syn match	monkError	oneline    ")"
+syn match	monkError	![^ \t()";]*!
+syn match	monkError	")"
 
 " Quoted and backquoted stuff
 
@@ -131,51 +132,51 @@ syn keyword monkFunc valid-integer? verify-type
 " using variables is a day's work for a trained secretary...
 " This is a useful lax approximation:
 
-syn match	monkNumber	oneline    "[-#+0-9.][-#+/0-9a-f@i.boxesfdl]*"
-syn match	monkError	oneline    ![-#+0-9.][-#+/0-9a-f@i.boxesfdl]*[^-#+/0-9a-f@i.boxesfdl \t()";][^ \t()";]*!
+syn match	monkNumber	"[-#+0-9.][-#+/0-9a-f@i.boxesfdl]*"
+syn match	monkError	![-#+0-9.][-#+/0-9a-f@i.boxesfdl]*[^-#+/0-9a-f@i.boxesfdl \t()";][^ \t()";]*!
 
-syn match	monkOther	oneline    ![+-][ \t()";]!me=e-1
-syn match	monkOther	oneline    ![+-]$!
+syn match	monkOther	![+-][ \t()";]!me=e-1
+syn match	monkOther	![+-]$!
 " ... so that a single + or -, inside a quoted context, would not be
 " interpreted as a number (outside such contexts, it's a monkFunc)
 
-syn match	monkDelimiter	oneline    !\.[ \t()";]!me=e-1
-syn match	monkDelimiter	oneline    !\.$!
+syn match	monkDelimiter	!\.[ \t()";]!me=e-1
+syn match	monkDelimiter	!\.$!
 " ... and a single dot is not a number but a delimiter
 
 " Simple literals:
 
-syn match	monkBoolean	oneline    "#[tf]"
-syn match	monkError	oneline    !#[tf][^ \t()";]\+!
+syn match	monkBoolean	"#[tf]"
+syn match	monkError	!#[tf][^ \t()";]\+!
 
-syn match	monkChar	oneline    "#\\"
-syn match	monkChar	oneline    "#\\."
-syn match	monkError	oneline    !#\\.[^ \t()";]\+!
-syn match	monkChar	oneline    "#\\space"
-syn match	monkError	oneline    !#\\space[^ \t()";]\+!
-syn match	monkChar	oneline    "#\\newline"
-syn match	monkError	oneline    !#\\newline[^ \t()";]\+!
+syn match	monkChar	"#\\"
+syn match	monkChar	"#\\."
+syn match	monkError	!#\\.[^ \t()";]\+!
+syn match	monkChar	"#\\space"
+syn match	monkError	!#\\space[^ \t()";]\+!
+syn match	monkChar	"#\\newline"
+syn match	monkError	!#\\newline[^ \t()";]\+!
 
 " This keeps all other stuff unhighlighted, except *stuff* and <stuff>:
 
-syn match	monkOther	oneline    ,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*,
-syn match	monkError	oneline    ,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
+syn match	monkOther	,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*,
+syn match	monkError	,[a-z!$%&*/:<=>?^_~][-a-z!$%&*/:<=>?^_~0-9+.@]*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
 
-syn match	monkOther	oneline    "\.\.\."
-syn match	monkError	oneline    !\.\.\.[^ \t()";]\+!
+syn match	monkOther	"\.\.\."
+syn match	monkError	!\.\.\.[^ \t()";]\+!
 " ... a special identifier
 
-syn match	monkConstant	oneline    ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[ \t()";],me=e-1
-syn match	monkConstant	oneline    ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*$,
-syn match	monkError	oneline    ,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
+syn match	monkConstant	,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[ \t()";],me=e-1
+syn match	monkConstant	,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*$,
+syn match	monkError	,\*[-a-z!$%&*/:<=>?^_~0-9+.@]*\*[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
 
-syn match	monkConstant	oneline    ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[ \t()";],me=e-1
-syn match	monkConstant	oneline    ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>$,
-syn match	monkError	oneline    ,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
+syn match	monkConstant	,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[ \t()";],me=e-1
+syn match	monkConstant	,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>$,
+syn match	monkError	,<[-a-z!$%&*/:<=>?^_~0-9+.@]*>[^-a-z!$%&*/:<=>?^_~0-9+.@ \t()";]\+[^ \t()";]*,
 
 " Monk input and output structures
-syn match	monkSyntax	oneline    "\(\~input\|\[I\]->\)[^ \t]*"
-syn match	monkFunc	oneline    "\(\~output\|\[O\]->\)[^ \t]*"
+syn match	monkSyntax	"\(\~input\|\[I\]->\)[^ \t]*"
+syn match	monkFunc	"\(\~output\|\[O\]->\)[^ \t]*"
 
 " Non-quoted lists, and strings:
 

runtime/syntax/qml.vim

@@ -4,6 +4,7 @@
 " Maintainer:   Chase Knowlden <haroldknowlden@gmail.com>
 " Changes:      `git log` is your friend
 " Last Change:  2023 Aug 16
+" 2026 Apr 16 by Vim project: handle ?. optional chaining #19988
 "
 " This file is bassed on the original work done by Warwick Allison
 " <warwick.allison@nokia.com> whose did about 99% of the work here.
@@ -44,6 +45,7 @@ syn match   qmlObjectLiteralType "[A-Za-z][_A-Za-z0-9]*\s*\({\)\@="
 syn region  qmlTernaryColon   start="?" end=":" contains=@qmlExpr,qmlBraces,qmlParens,qmlLineComment
 syn match   qmlBindingProperty   "\<[A-Za-z][_A-Za-z.0-9]*\s*:"
 syn match  qmlNullishCoalescing    "??"
+syn match   qmlOptionalChaining  "?\."
 
 syn keyword qmlConditional       if else switch
 syn keyword qmlRepeat            while for do in

runtime/syntax/sh.vim

@@ -24,6 +24,7 @@
 "		2026 Feb 15 improve comment handling #19414
 "		2026 Mar 23 improve matching of function definitions #19638
 "		2026 Apr 02 improve matching of function definitions #19849
+"		2026 Apr 19 improve detection of special variables #20016
 " }}}
 " Version:		208
 " Former URL:		http://www.drchip.org/astronaut/vim/index.html#SYNTAX_SH
@@ -751,13 +752,15 @@ endif
 if exists("b:is_bash")
     syn region shDeref	matchgroup=PreProc start="\${!" end="\*\=}"	contains=@shDerefList,shDerefOffset
     syn match  shDerefVar	contained	"{\@<=!\h\w*"		nextgroup=@shDerefVarList
+    syn match  shDerefSpecial	contained	"\({!\)\@<=[[:alnum:]*#@_]\+"	nextgroup=@shDerefVarList,shDerefOp
 endif
 if (exists("b:is_kornshell") && !exists("b:is_ksh88"))
     syn match  shDerefVar	contained	"{\@<=!\h\w*[[:alnum:]_.]*"	nextgroup=@shDerefVarList
+    syn match  shDerefSpecial	contained	"\({!\)\@<=[[:alnum:]*#@_]\+"	nextgroup=@shDerefVarList,shDerefOp
 endif
 
 syn match  shDerefSpecial	contained	"{\@<=[-*@?0]"		nextgroup=shDerefOp,shDerefOffset,shDerefOpError
-syn match  shDerefSpecial	contained	"\({[#!]\)\@<=[[:alnum:]*@_]\+"	nextgroup=@shDerefVarList,shDerefOp
+syn match  shDerefSpecial	contained	"\({[#]\)\@<=[[:alnum:]*@_]\+"	nextgroup=@shDerefVarList,shDerefOp
 syn match  shDerefVar	contained	"{\@<=\h\w*"		nextgroup=@shDerefVarList
 syn match  shDerefVar	contained	'\d'                            nextgroup=@shDerefVarList
 if exists("b:is_kornshell") || exists("b:is_posix")

runtime/syntax/shared/typescriptcommon.vim

@@ -306,13 +306,13 @@ syntax keyword typescriptRepeat                do while for nextgroup=typescript
 syntax keyword typescriptRepeat                for nextgroup=typescriptLoopParen,typescriptAsyncFor skipwhite skipempty
 syntax keyword typescriptBranch                break continue containedin=typescriptBlock
 syntax keyword typescriptCase                  case nextgroup=@typescriptPrimitive skipwhite containedin=typescriptBlock
-syntax keyword typescriptDefault               default containedin=typescriptBlock nextgroup=@typescriptValue,typescriptClassKeyword,typescriptInterfaceKeyword skipwhite oneline
+syntax keyword typescriptDefault               default containedin=typescriptBlock nextgroup=@typescriptValue,typescriptClassKeyword,typescriptInterfaceKeyword skipwhite
 syntax keyword typescriptStatementKeyword      with
 syntax keyword typescriptStatementKeyword      yield skipwhite nextgroup=@typescriptValue containedin=typescriptBlock
 
 syntax keyword typescriptTry                   try
 syntax keyword typescriptExceptions            throw finally
-syntax keyword typescriptExceptions            catch nextgroup=typescriptCall skipwhite skipempty oneline
+syntax keyword typescriptExceptions            catch nextgroup=typescriptCall skipwhite skipempty
 syntax keyword typescriptDebugger              debugger
 
 syntax keyword typescriptAsyncFor              await nextgroup=typescriptLoopParen skipwhite skipempty contained
@@ -1766,9 +1766,9 @@ endif
 " patch
 " patch for generated code
 syntax keyword typescriptGlobal Promise
-  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments oneline
+  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments
 syntax keyword typescriptGlobal Map WeakMap
-  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments oneline
+  \ nextgroup=typescriptGlobalPromiseDot,typescriptFuncCallArg,typescriptTypeArguments
 
 syntax keyword typescriptConstructor           contained constructor
   \ nextgroup=@typescriptCallSignature

runtime/syntax/testdir/dumps/algol68_all_preludes_00.dump

@@ -0,0 +1,20 @@
+>#+0#0000e05#ffffff0| +0#0000000&@73
+| +0#0000e05&@3|V|I|M|_|T|E|S|T|_|S|E|T|U|P| |l|e|t| |g|:|a|l|g|o|l|6|8|_|s|y|m|b|o|l|i|c|_|o|p|e|r|a|t|o|r|s| |=| |1| +0#0000000&@19
+|#+0#0000e05&| +0#0000000&@73
+|#+0#0000e05&| +0#0000000&@73
+| +0#0000e05&@3|A|l|g|o|l| |6|8| |p|r|e|l|u|d|e| |i|d|e|n|t|i|f|i|e|r| |f|r|o|m| |t|h|e| |G|e|n|i|e| |s|o|u|r|c|e| |c|o|d|e| |f|i|l|e|s|.| +0#0000000&@9
+| +0#0000e05&@3| +0#0000000&@70
+| +0#0000e05&@3|P|r|o|v|i|d|e|d| |a|s| |a| |b|a|s|e| |t|o| |v|e|r|i|f|y| |t|h|e| |c|o|r@1|e|c|t| |s|y|n|t|a|x| |h|i|g|h|l|i|g|h|t|i|n|g| +0#0000000&@10
+| +0#0000e05&@3|o|f| |t|h|e| |a|l|g|o|l|6|8|.|v|i|m| |s|y|n|t|a|x| |f|i|l|e| |f|o|r| |t|h|e| |V|i|m| |e|d|i|t|o|r|.| +0#0000000&@20
+| +0#0000e05&@3| +0#0000000&@70
+| +0#0000e05&@3|T|h|e|r|e|'|s| |f|o|u|r| |s|e|c|t|i|o|n|s|,| |e|a|c|h| |r|e|p|r|e|s|e|n|t|i|n|g| |a|n| |o|r|i|g|i|n|a|l| |f|i|l|e|,| +0#0000000&@12
+| +0#0000e05&@3|t|h|a|t| |a|r|e| |e|n|c|l|o|s|e|d| |i|n| |t|h|e| |U|n|i|x|-|'|m|o|r|e|'| |f|o|r|m| |t|o| |s|t|a|n|d| |o|u|t|.| +0#0000000&@15
+| +0#0000e05&@3| +0#0000000&@70
+| +0#0000e05&@3|S|o|m|e| |i|n|f|o|r|m|a|l| |c|o|m@1|e|n|t|s| |f|r|o|m| |t|h|e| |s|o|u|r|c|e| |c|o|d|e| |l|e|f|t| |i|n|t|a|c|t| |a|s| +0#0000000&@12
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runtime/syntax/testdir/dumps/algol68_all_preludes_01.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_02.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_03.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_04.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_05.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_06.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_07.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_08.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_09.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_10.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_108.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_109.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_11.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_110.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_111.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_112.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_113.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_114.dump

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runtime/syntax/testdir/dumps/algol68_all_preludes_115.dump

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