patch 8.2.3103: swap test may fail on some systems

Problem:    Swap test may fail on some systems when jobs take longer to exit.
Solution:   Use different file names.

runtime/doc/eval.txt

@@ -8219,6 +8219,8 @@ prompt_getprompt({buf})					*prompt_getprompt()*
 		Can also be used as a |method|: >
 			GetBuffer()->prompt_getprompt()
 
+<		{only available when compiled with the |+channel| feature}
+
 
 prompt_setcallback({buf}, {expr})			*prompt_setcallback()*
 		Set prompt callback for buffer {buf} to {expr}.  When {expr}
@@ -8252,6 +8254,7 @@ prompt_setcallback({buf}, {expr})			*prompt_setcallback()*
 <		Can also be used as a |method|: >
 			GetBuffer()->prompt_setcallback(callback)
 
+<		{only available when compiled with the |+channel| feature}
 
 prompt_setinterrupt({buf}, {expr})			*prompt_setinterrupt()*
 		Set a callback for buffer {buf} to {expr}.  When {expr} is an
@@ -8265,6 +8268,8 @@ prompt_setinterrupt({buf}, {expr})			*prompt_setinterrupt()*
 		Can also be used as a |method|: >
 			GetBuffer()->prompt_setinterrupt(callback)
 
+<		{only available when compiled with the |+channel| feature}
+
 prompt_setprompt({buf}, {text})				*prompt_setprompt()*
 		Set prompt for buffer {buf} to {text}.  You most likely want
 		{text} to end in a space.
@@ -8275,6 +8280,8 @@ prompt_setprompt({buf}, {text})				*prompt_setprompt()*
 		Can also be used as a |method|: >
 			GetBuffer()->prompt_setprompt('command: ')
 
+<		{only available when compiled with the |+channel| feature}
+
 prop_ functions are documented here: |text-prop-functions|
 
 pum_getpos()						*pum_getpos()*

runtime/filetype.vim

@@ -650,6 +650,9 @@ au BufNewFile,BufRead *.mo,*.gdmo		setf gdmo
 " Gedcom
 au BufNewFile,BufRead *.ged,lltxxxxx.txt	setf gedcom
 
+" Gemtext
+au BufNewFile,BufRead *.gmi,*.gemini		setf gemtext
+
 " Gift (Moodle)
 autocmd BufRead,BufNewFile *.gift		setf gift
 
@@ -868,6 +871,9 @@ au BufNewFile,BufRead *.json-patch			setf json
 " Jupyter Notebook is also json
 au BufNewFile,BufRead *.ipynb				setf json
 
+" JSONC
+au BufNewFile,BufRead *.jsonc			setf jsonc
+
 " Kixtart
 au BufNewFile,BufRead *.kix			setf kix
 

src/buffer.c

@@ -1130,7 +1130,12 @@ handle_swap_exists(bufref_T *old_curbuf)
 	close_buffer(curwin, curbuf, DOBUF_UNLOAD, FALSE, FALSE);
 	if (old_curbuf == NULL || !bufref_valid(old_curbuf)
 					      || old_curbuf->br_buf == curbuf)
+	{
+	    // Block autocommands here because curwin->w_buffer is NULL.
+	    block_autocmds();
 	    buf = buflist_new(NULL, NULL, 1L, BLN_CURBUF | BLN_LISTED);
+	    unblock_autocmds();
+	}
 	else
 	    buf = old_curbuf->br_buf;
 	if (buf != NULL)

src/channel.c

@@ -2486,12 +2486,17 @@ channel_exe_cmd(channel_T *channel, ch_part_T part, typval_T *argv)
 
     if (STRCMP(cmd, "ex") == 0)
     {
-	int called_emsg_before = called_emsg;
+	int	called_emsg_before = called_emsg;
+	char_u	*p = arg;
+	int	do_emsg_silent;
 
 	ch_log(channel, "Executing ex command '%s'", (char *)arg);
-	++emsg_silent;
+	do_emsg_silent = !checkforcmd(&p, "echoerr", 5);
+	if (do_emsg_silent)
+	    ++emsg_silent;
 	do_cmdline_cmd(arg);
-	--emsg_silent;
+	if (do_emsg_silent)
+	    --emsg_silent;
 	if (called_emsg > called_emsg_before)
 	    ch_log(channel, "Ex command error: '%s'",
 					  (char *)get_vim_var_str(VV_ERRMSG));
@@ -2545,7 +2550,8 @@ channel_exe_cmd(channel_T *channel, ch_part_T part, typval_T *argv)
 	    char_u	*json = NULL;
 
 	    // Don't pollute the display with errors.
-	    ++emsg_skip;
+	    // Do generate the errors so that try/catch works.
+	    ++emsg_silent;
 	    if (!is_call)
 	    {
 		ch_log(channel, "Evaluating expression '%s'", (char *)arg);
@@ -2581,7 +2587,7 @@ channel_exe_cmd(channel_T *channel, ch_part_T part, typval_T *argv)
 		    vim_free(json);
 		}
 	    }
-	    --emsg_skip;
+	    --emsg_silent;
 	    if (tv == &res_tv)
 		clear_tv(tv);
 	    else

src/drawscreen.c

@@ -1379,6 +1379,12 @@ fold_line(
 	curwin->w_cline_folded = TRUE;
 	curwin->w_valid |= (VALID_CHEIGHT|VALID_CROW);
     }
+
+# ifdef FEAT_CONCEAL
+    // When the line was not folded w_wrow may have been set, recompute it.
+    if (wp == curwin && lnum == wp->w_cursor.lnum && conceal_cursor_line(wp))
+	curs_columns(TRUE);
+# endif
 }
 #endif
 
@@ -2003,12 +2009,41 @@ win_update(win_T *wp)
 		    ve_flags = VE_ALL;
 #endif
 		getvcols(wp, &VIsual, &curwin->w_cursor, &fromc, &toc);
+		++toc;
 #if defined(FEAT_LINEBREAK)
 		ve_flags = save_ve_flags;
 #endif
-		++toc;
+		// Highlight to the end of the line, unless 'virtualedit' has
+		// "block".
 		if (curwin->w_curswant == MAXCOL)
-		    toc = MAXCOL;
+		{
+		    if (ve_flags & VE_BLOCK)
+		    {
+			pos_T	    pos;
+			int	    cursor_above =
+					   curwin->w_cursor.lnum < VIsual.lnum;
+
+			// Need to find the longest line.
+			toc = 0;
+			pos.coladd = 0;
+			for (pos.lnum = curwin->w_cursor.lnum; cursor_above
+					? pos.lnum <= VIsual.lnum
+					: pos.lnum >= VIsual.lnum;
+					     pos.lnum += cursor_above ? 1 : -1)
+			{
+			    colnr_T t;
+
+			    pos.col = STRLEN(ml_get_buf(wp->w_buffer,
+							     pos.lnum, FALSE));
+			    getvvcol(wp, &pos, NULL, NULL, &t);
+			    if (toc < t)
+				toc = t;
+			}
+			++toc;
+		    }
+		    else
+			toc = MAXCOL;
+		}
 
 		if (fromc != wp->w_old_cursor_fcol
 			|| toc != wp->w_old_cursor_lcol)

src/evalfunc.c

@@ -267,6 +267,33 @@ arg_number(type_T *type, argcontext_T *context)
     return check_arg_type(&t_number, type, context);
 }
 
+/*
+ * Check "type" is a dict of 'any'.
+ */
+    static int
+arg_dict_any(type_T *type, argcontext_T *context)
+{
+    return check_arg_type(&t_dict_any, type, context);
+}
+
+/*
+ * Check "type" is a list of numbers.
+ */
+    static int
+arg_list_number(type_T *type, argcontext_T *context)
+{
+    return check_arg_type(&t_list_number, type, context);
+}
+
+/*
+ * Check "type" is a list of strings.
+ */
+    static int
+arg_list_string(type_T *type, argcontext_T *context)
+{
+    return check_arg_type(&t_list_string, type, context);
+}
+
 /*
  * Check "type" is a string.
  */
@@ -301,6 +328,18 @@ arg_list_or_blob(type_T *type, argcontext_T *context)
     return FAIL;
 }
 
+/*
+ * Check "type" is a string or a number
+ */
+    static int
+arg_string_or_nr(type_T *type, argcontext_T *context)
+{
+    if (type->tt_type == VAR_ANY
+	    || type->tt_type == VAR_STRING || type->tt_type == VAR_NUMBER)
+	return OK;
+    arg_type_mismatch(&t_string, type, context->arg_idx + 1);
+    return FAIL;
+}
 /*
  * Check "type" is a string or a list of strings.
  */
@@ -404,14 +443,22 @@ arg_extend3(type_T *type, argcontext_T *context)
  */
 argcheck_T arg1_string[] = {arg_string};
 argcheck_T arg1_number[] = {arg_number};
+argcheck_T arg1_dict[] = {arg_dict_any};
+argcheck_T arg1_list_number[] = {arg_list_number};
+argcheck_T arg1_string_list[] = {arg_list_string};
 argcheck_T arg1_float_or_nr[] = {arg_float_or_nr};
+argcheck_T arg1_string_or_nr[] = {arg_string_or_nr};
+argcheck_T arg1_string_or_list[] = {arg_string_or_list};
 argcheck_T arg2_float_or_nr[] = {arg_float_or_nr, arg_float_or_nr};
 argcheck_T arg2_number[] = {arg_number, arg_number};
+argcheck_T arg2_string[] = {arg_string, arg_string};
+argcheck_T arg2_list_number[] = {arg_list_number, arg_list_number};
 argcheck_T arg2_listblob_item[] = {arg_list_or_blob, arg_item_of_prev};
 argcheck_T arg2_execute[] = {arg_string_or_list, arg_string};
 argcheck_T arg23_extend[] = {arg_list_or_dict, arg_same_as_prev, arg_extend3};
 argcheck_T arg23_extendnew[] = {arg_list_or_dict, arg_same_struct_as_prev, arg_extend3};
 argcheck_T arg3_string[] = {arg_string, arg_string, arg_string};
+argcheck_T arg3_number[] = {arg_number, arg_number, arg_number};
 argcheck_T arg3_string_nr_bool[] = {arg_string, arg_number, arg_bool};
 argcheck_T arg3_insert[] = {arg_list_or_blob, arg_item_of_prev, arg_number};
 
@@ -732,7 +779,7 @@ static funcentry_T global_functions[] =
 	    NULL
 #endif
 			},
-    {"balloon_show",	1, 1, FEARG_1,	    NULL,
+    {"balloon_show",	1, 1, FEARG_1,	    arg1_string_or_list,
 			ret_void,
 #ifdef FEAT_BEVAL
 	    f_balloon_show
@@ -740,7 +787,7 @@ static funcentry_T global_functions[] =
 	    NULL
 #endif
 			},
-    {"balloon_split",	1, 1, FEARG_1,	    NULL,
+    {"balloon_split",	1, 1, FEARG_1,	    arg1_string,
 			ret_list_string,
 #if defined(FEAT_BEVAL_TERM)
 	    f_balloon_split
@@ -752,31 +799,31 @@ static funcentry_T global_functions[] =
 			ret_string,	    f_browse},
     {"browsedir",	2, 2, 0,	    NULL,
 			ret_string,	    f_browsedir},
-    {"bufadd",		1, 1, FEARG_1,	    NULL,
+    {"bufadd",		1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_bufadd},
-    {"bufexists",	1, 1, FEARG_1,	    NULL,
+    {"bufexists",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number_bool,    f_bufexists},
-    {"buffer_exists",	1, 1, FEARG_1,	    NULL,	// obsolete
+    {"buffer_exists",	1, 1, FEARG_1,	    arg1_string_or_nr,	// obsolete
 			ret_number_bool,    f_bufexists},
-    {"buffer_name",	0, 1, FEARG_1,	    NULL,	// obsolete
+    {"buffer_name",	0, 1, FEARG_1,	    arg1_string_or_nr,	// obsolete
 			ret_string,	    f_bufname},
     {"buffer_number",	0, 1, FEARG_1,	    NULL,	// obsolete
 			ret_number,	    f_bufnr},
-    {"buflisted",	1, 1, FEARG_1,	    NULL,
+    {"buflisted",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number_bool,    f_buflisted},
-    {"bufload",		1, 1, FEARG_1,	    NULL,
+    {"bufload",		1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_void,	    f_bufload},
-    {"bufloaded",	1, 1, FEARG_1,	    NULL,
+    {"bufloaded",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number_bool,    f_bufloaded},
-    {"bufname",		0, 1, FEARG_1,	    NULL,
+    {"bufname",		0, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_string,	    f_bufname},
     {"bufnr",		0, 2, FEARG_1,	    NULL,
 			ret_number,	    f_bufnr},
-    {"bufwinid",	1, 1, FEARG_1,	    NULL,
+    {"bufwinid",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_bufwinid},
-    {"bufwinnr",	1, 1, FEARG_1,	    NULL,
+    {"bufwinnr",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_bufwinnr},
-    {"byte2line",	1, 1, FEARG_1,	    NULL,
+    {"byte2line",	1, 1, FEARG_1,	    arg1_number,
 			ret_number,	    f_byte2line},
     {"byteidx",		2, 2, FEARG_1,	    NULL,
 			ret_number,	    f_byteidx},
@@ -826,15 +873,15 @@ static funcentry_T global_functions[] =
 			ret_number,	    f_changenr},
     {"char2nr",		1, 2, FEARG_1,	    NULL,
 			ret_number,	    f_char2nr},
-    {"charclass",	1, 1, FEARG_1,	    NULL,
+    {"charclass",	1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_charclass},
     {"charcol",		1, 1, FEARG_1,	    NULL,
 			ret_number,	    f_charcol},
     {"charidx",		2, 3, FEARG_1,	    NULL,
 			ret_number,	    f_charidx},
-    {"chdir",		1, 1, FEARG_1,	    NULL,
+    {"chdir",		1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_chdir},
-    {"cindent",		1, 1, FEARG_1,	    NULL,
+    {"cindent",		1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_cindent},
     {"clearmatches",	0, 1, FEARG_1,	    arg1_number,
 			ret_void,	    f_clearmatches},
@@ -846,7 +893,7 @@ static funcentry_T global_functions[] =
 			ret_number,	    f_complete_add},
     {"complete_check",	0, 0, 0,	    NULL,
 			ret_number_bool,    f_complete_check},
-    {"complete_info",	0, 1, FEARG_1,	    NULL,
+    {"complete_info",	0, 1, FEARG_1,	    arg1_string_list,
 			ret_dict_any,	    f_complete_info},
     {"confirm",		1, 4, FEARG_1,	    NULL,
 			ret_number,	    f_confirm},
@@ -878,7 +925,7 @@ static funcentry_T global_functions[] =
 			ret_number_bool,    f_deletebufline},
     {"did_filetype",	0, 0, 0,	    NULL,
 			ret_number_bool,    f_did_filetype},
-    {"diff_filler",	1, 1, FEARG_1,	    NULL,
+    {"diff_filler",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_diff_filler},
     {"diff_hlID",	2, 2, FEARG_1,	    NULL,
 			ret_number,	    f_diff_hlID},
@@ -888,37 +935,37 @@ static funcentry_T global_functions[] =
 			ret_number_bool,    f_empty},
     {"environ",		0, 0, 0,	    NULL,
 			ret_dict_string,    f_environ},
-    {"escape",		2, 2, FEARG_1,	    NULL,
+    {"escape",		2, 2, FEARG_1,	    arg2_string,
 			ret_string,	    f_escape},
-    {"eval",		1, 1, FEARG_1,	    NULL,
+    {"eval",		1, 1, FEARG_1,	    arg1_string,
 			ret_any,	    f_eval},
     {"eventhandler",	0, 0, 0,	    NULL,
 			ret_number_bool,    f_eventhandler},
-    {"executable",	1, 1, FEARG_1,	    NULL,
+    {"executable",	1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_executable},
     {"execute",		1, 2, FEARG_1,	    arg2_execute,
 			ret_string,	    f_execute},
-    {"exepath",		1, 1, FEARG_1,	    NULL,
+    {"exepath",		1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_exepath},
-    {"exists",		1, 1, FEARG_1,	    NULL,
+    {"exists",		1, 1, FEARG_1,	    arg1_string,
 			ret_number_bool,    f_exists},
     {"exp",		1, 1, FEARG_1,	    arg1_float_or_nr,
 			ret_float,	    FLOAT_FUNC(f_exp)},
     {"expand",		1, 3, FEARG_1,	    NULL,
 			ret_any,	    f_expand},
-    {"expandcmd",	1, 1, FEARG_1,	    NULL,
+    {"expandcmd",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_expandcmd},
     {"extend",		2, 3, FEARG_1,	    arg23_extend,
 			ret_first_arg,	    f_extend},
     {"extendnew",	2, 3, FEARG_1,	    arg23_extendnew,
 			ret_first_cont,	    f_extendnew},
-    {"feedkeys",	1, 2, FEARG_1,	    NULL,
+    {"feedkeys",	1, 2, FEARG_1,	    arg2_string,
 			ret_void,	    f_feedkeys},
-    {"file_readable",	1, 1, FEARG_1,	    NULL,	// obsolete
+    {"file_readable",	1, 1, FEARG_1,	    arg1_string,	// obsolete
 			ret_number_bool,    f_filereadable},
-    {"filereadable",	1, 1, FEARG_1,	    NULL,
+    {"filereadable",	1, 1, FEARG_1,	    arg1_string,
 			ret_number_bool,    f_filereadable},
-    {"filewritable",	1, 1, FEARG_1,	    NULL,
+    {"filewritable",	1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_filewritable},
     {"filter",		2, 2, FEARG_1,	    NULL,
 			ret_first_arg,	    f_filter},
@@ -936,19 +983,19 @@ static funcentry_T global_functions[] =
 			ret_float,	    FLOAT_FUNC(f_floor)},
     {"fmod",		2, 2, FEARG_1,	    arg2_float_or_nr,
 			ret_float,	    FLOAT_FUNC(f_fmod)},
-    {"fnameescape",	1, 1, FEARG_1,	    NULL,
+    {"fnameescape",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_fnameescape},
-    {"fnamemodify",	2, 2, FEARG_1,	    NULL,
+    {"fnamemodify",	2, 2, FEARG_1,	    arg2_string,
 			ret_string,	    f_fnamemodify},
-    {"foldclosed",	1, 1, FEARG_1,	    NULL,
+    {"foldclosed",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_foldclosed},
-    {"foldclosedend",	1, 1, FEARG_1,	    NULL,
+    {"foldclosedend",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_foldclosedend},
-    {"foldlevel",	1, 1, FEARG_1,	    NULL,
+    {"foldlevel",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_foldlevel},
     {"foldtext",	0, 0, 0,	    NULL,
 			ret_string,	    f_foldtext},
-    {"foldtextresult",	1, 1, FEARG_1,	    NULL,
+    {"foldtextresult",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_string,	    f_foldtextresult},
     {"foreground",	0, 0, 0,	    NULL,
 			ret_void,	    f_foreground},
@@ -968,7 +1015,7 @@ static funcentry_T global_functions[] =
 			ret_list_string,    f_getbufline},
     {"getbufvar",	2, 3, FEARG_1,	    NULL,
 			ret_any,	    f_getbufvar},
-    {"getchangelist",	0, 1, FEARG_1,	    NULL,
+    {"getchangelist",	0, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_list_any,	    f_getchangelist},
     {"getchar",		0, 1, 0,	    NULL,
 			ret_any,	    f_getchar},
@@ -996,17 +1043,17 @@ static funcentry_T global_functions[] =
 			ret_list_number,    f_getcursorcharpos},
     {"getcwd",		0, 2, FEARG_1,	    arg2_number,
 			ret_string,	    f_getcwd},
-    {"getenv",		1, 1, FEARG_1,	    NULL,
+    {"getenv",		1, 1, FEARG_1,	    arg1_string,
 			ret_any,	    f_getenv},
-    {"getfontname",	0, 1, 0,	    NULL,
+    {"getfontname",	0, 1, 0,	    arg1_string,
 			ret_string,	    f_getfontname},
-    {"getfperm",	1, 1, FEARG_1,	    NULL,
+    {"getfperm",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_getfperm},
-    {"getfsize",	1, 1, FEARG_1,	    NULL,
+    {"getfsize",	1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_getfsize},
-    {"getftime",	1, 1, FEARG_1,	    NULL,
+    {"getftime",	1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_getftime},
-    {"getftype",	1, 1, FEARG_1,	    NULL,
+    {"getftype",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_getftype},
     {"getimstatus",	0, 0, 0,	    NULL,
 			ret_number_bool,    f_getimstatus},
@@ -1016,7 +1063,7 @@ static funcentry_T global_functions[] =
 			ret_f_getline,	    f_getline},
     {"getloclist",	1, 2, 0,	    NULL,
 			ret_list_or_dict_1, f_getloclist},
-    {"getmarklist",	0, 1, FEARG_1,	    NULL,
+    {"getmarklist",	0, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_list_dict_any,  f_getmarklist},
     {"getmatches",	0, 1, 0,	    arg1_number,
 			ret_list_dict_any,  f_getmatches},
@@ -1024,15 +1071,15 @@ static funcentry_T global_functions[] =
 			ret_dict_number,    f_getmousepos},
     {"getpid",		0, 0, 0,	    NULL,
 			ret_number,	    f_getpid},
-    {"getpos",		1, 1, FEARG_1,	    NULL,
+    {"getpos",		1, 1, FEARG_1,	    arg1_string,
 			ret_list_number,    f_getpos},
-    {"getqflist",	0, 1, 0,	    NULL,
+    {"getqflist",	0, 1, 0,	    arg1_dict,
 			ret_list_or_dict_0, f_getqflist},
     {"getreg",		0, 3, FEARG_1,	    NULL,
 			ret_getreg,	    f_getreg},
-    {"getreginfo",	0, 1, FEARG_1,	    NULL,
+    {"getreginfo",	0, 1, FEARG_1,	    arg1_string,
 			ret_dict_any,	    f_getreginfo},
-    {"getregtype",	0, 1, FEARG_1,	    NULL,
+    {"getregtype",	0, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_getregtype},
     {"gettabinfo",	0, 1, FEARG_1,	    arg1_number,
 			ret_list_dict_any,  f_gettabinfo},
@@ -1042,7 +1089,7 @@ static funcentry_T global_functions[] =
 			ret_any,	    f_gettabwinvar},
     {"gettagstack",	0, 1, FEARG_1,	    arg1_number,
 			ret_dict_any,	    f_gettagstack},
-    {"gettext",		1, 1, FEARG_1,	    NULL,
+    {"gettext",		1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_gettext},
     {"getwininfo",	0, 1, FEARG_1,	    arg1_number,
 			ret_list_dict_any,  f_getwininfo},
@@ -1056,7 +1103,7 @@ static funcentry_T global_functions[] =
 			ret_any,	    f_getwinvar},
     {"glob",		1, 4, FEARG_1,	    NULL,
 			ret_any,	    f_glob},
-    {"glob2regpat",	1, 1, FEARG_1,	    NULL,
+    {"glob2regpat",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_glob2regpat},
     {"globpath",	2, 5, FEARG_2,	    NULL,
 			ret_any,	    f_globpath},
@@ -1072,21 +1119,21 @@ static funcentry_T global_functions[] =
 			ret_number,	    f_hlID},
     {"highlight_exists",1, 1, FEARG_1,	    NULL,	// obsolete
 			ret_number_bool,    f_hlexists},
-    {"histadd",		2, 2, FEARG_2,	    NULL,
+    {"histadd",		2, 2, FEARG_2,	    arg2_string,
 			ret_number_bool,    f_histadd},
     {"histdel",		1, 2, FEARG_1,	    NULL,
 			ret_number_bool,    f_histdel},
     {"histget",		1, 2, FEARG_1,	    NULL,
 			ret_string,	    f_histget},
-    {"histnr",		1, 1, FEARG_1,	    NULL,
+    {"histnr",		1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_histnr},
-    {"hlID",		1, 1, FEARG_1,	    NULL,
+    {"hlID",		1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_hlID},
-    {"hlexists",	1, 1, FEARG_1,	    NULL,
+    {"hlexists",	1, 1, FEARG_1,	    arg1_string,
 			ret_number_bool,    f_hlexists},
     {"hostname",	0, 0, 0,	    NULL,
 			ret_string,	    f_hostname},
-    {"iconv",		3, 3, FEARG_1,	    NULL,
+    {"iconv",		3, 3, FEARG_1,	    arg3_string,
 			ret_string,	    f_iconv},
     {"indent",		1, 1, FEARG_1,	    NULL,
 			ret_number,	    f_indent},
@@ -1096,13 +1143,13 @@ static funcentry_T global_functions[] =
 			ret_string,	    f_input},
     {"inputdialog",	1, 3, FEARG_1,	    NULL,
 			ret_string,	    f_inputdialog},
-    {"inputlist",	1, 1, FEARG_1,	    NULL,
+    {"inputlist",	1, 1, FEARG_1,	    arg1_string_list,
 			ret_number,	    f_inputlist},
     {"inputrestore",	0, 0, 0,	    NULL,
 			ret_number_bool,    f_inputrestore},
     {"inputsave",	0, 0, 0,	    NULL,
 			ret_number_bool,    f_inputsave},
-    {"inputsecret",	1, 2, FEARG_1,	    NULL,
+    {"inputsecret",	1, 2, FEARG_1,	    arg2_string,
 			ret_string,	    f_inputsecret},
     {"insert",		2, 3, FEARG_1,	    arg3_insert,
 			ret_first_arg,	    f_insert},
@@ -1110,7 +1157,7 @@ static funcentry_T global_functions[] =
 			ret_void,	    f_interrupt},
     {"invert",		1, 1, FEARG_1,	    arg1_number,
 			ret_number,	    f_invert},
-    {"isdirectory",	1, 1, FEARG_1,	    NULL,
+    {"isdirectory",	1, 1, FEARG_1,	    arg1_string,
 			ret_number_bool,    f_isdirectory},
     {"isinf",		1, 1, FEARG_1,	    arg1_float_or_nr,
 			ret_number,	    MATH_FUNC(f_isinf)},
@@ -1118,7 +1165,7 @@ static funcentry_T global_functions[] =
 			ret_number_bool,    f_islocked},
     {"isnan",		1, 1, FEARG_1,	    arg1_float_or_nr,
 			ret_number_bool,    MATH_FUNC(f_isnan)},
-    {"items",		1, 1, FEARG_1,	    NULL,
+    {"items",		1, 1, FEARG_1,	    arg1_dict,
 			ret_list_any,	    f_items},
     {"job_getchannel",	1, 1, FEARG_1,	    NULL,
 			ret_channel,	    JOB_FUNC(f_job_getchannel)},
@@ -1134,15 +1181,15 @@ static funcentry_T global_functions[] =
 			ret_number_bool,    JOB_FUNC(f_job_stop)},
     {"join",		1, 2, FEARG_1,	    NULL,
 			ret_string,	    f_join},
-    {"js_decode",	1, 1, FEARG_1,	    NULL,
+    {"js_decode",	1, 1, FEARG_1,	    arg1_string,
 			ret_any,	    f_js_decode},
     {"js_encode",	1, 1, FEARG_1,	    NULL,
 			ret_string,	    f_js_encode},
-    {"json_decode",	1, 1, FEARG_1,	    NULL,
+    {"json_decode",	1, 1, FEARG_1,	    arg1_string,
 			ret_any,	    f_json_decode},
     {"json_encode",	1, 1, FEARG_1,	    NULL,
 			ret_string,	    f_json_encode},
-    {"keys",		1, 1, FEARG_1,	    NULL,
+    {"keys",		1, 1, FEARG_1,	    arg1_dict,
 			ret_list_string,    f_keys},
     {"last_buffer_nr",	0, 0, 0,	    NULL,	// obsolete
 			ret_number,	    f_last_buffer_nr},
@@ -1154,9 +1201,9 @@ static funcentry_T global_functions[] =
 			ret_number,	    f_libcallnr},
     {"line",		1, 2, FEARG_1,	    NULL,
 			ret_number,	    f_line},
-    {"line2byte",	1, 1, FEARG_1,	    NULL,
+    {"line2byte",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_line2byte},
-    {"lispindent",	1, 1, FEARG_1,	    NULL,
+    {"lispindent",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_lispindent},
     {"list2str",	1, 2, FEARG_1,	    NULL,
 			ret_string,	    f_list2str},
@@ -1214,7 +1261,7 @@ static funcentry_T global_functions[] =
 			ret_list_any,	    f_matchstrpos},
     {"max",		1, 1, FEARG_1,	    NULL,
 			ret_number,	    f_max},
-    {"menu_info",	1, 2, FEARG_1,	    NULL,
+    {"menu_info",	1, 2, FEARG_1,	    arg2_string,
 			ret_dict_any,
 #ifdef FEAT_MENU
 	    f_menu_info
@@ -1236,7 +1283,7 @@ static funcentry_T global_functions[] =
 	    NULL
 #endif
 			},
-    {"nextnonblank",	1, 1, FEARG_1,	    NULL,
+    {"nextnonblank",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_nextnonblank},
     {"nr2char",		1, 2, FEARG_1,	    NULL,
 			ret_string,	    f_nr2char},
@@ -1296,11 +1343,11 @@ static funcentry_T global_functions[] =
 			ret_void,	    PROP_FUNC(f_popup_show)},
     {"pow",		2, 2, FEARG_1,	    arg2_float_or_nr,
 			ret_float,	    FLOAT_FUNC(f_pow)},
-    {"prevnonblank",	1, 1, FEARG_1,	    NULL,
+    {"prevnonblank",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_prevnonblank},
     {"printf",		1, 19, FEARG_2,	    NULL,
 			ret_string,	    f_printf},
-    {"prompt_getprompt", 1, 1, FEARG_1,	    NULL,
+    {"prompt_getprompt", 1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_string,	    JOB_FUNC(f_prompt_getprompt)},
     {"prompt_setcallback", 2, 2, FEARG_1,   NULL,
 			ret_void,	    JOB_FUNC(f_prompt_setcallback)},
@@ -1356,11 +1403,11 @@ static funcentry_T global_functions[] =
 	    NULL
 #endif
 			},
-    {"rand",		0, 1, FEARG_1,	    NULL,
+    {"rand",		0, 1, FEARG_1,	    arg1_list_number,
 			ret_number,	    f_rand},
     {"range",		1, 3, FEARG_1,	    NULL,
 			ret_list_number,    f_range},
-    {"readblob",	1, 1, FEARG_1,	    NULL,
+    {"readblob",	1, 1, FEARG_1,	    arg1_string,
 			ret_blob,	    f_readblob},
     {"readdir",		1, 3, FEARG_1,	    NULL,
 			ret_list_string,    f_readdir},
@@ -1374,15 +1421,15 @@ static funcentry_T global_functions[] =
 			ret_string,	    f_reg_executing},
     {"reg_recording",	0, 0, 0,	    NULL,
 			ret_string,	    f_reg_recording},
-    {"reltime",		0, 2, FEARG_1,	    NULL,
+    {"reltime",		0, 2, FEARG_1,	    arg2_list_number,
 			ret_list_any,	    f_reltime},
-    {"reltimefloat",	1, 1, FEARG_1,	    NULL,
+    {"reltimefloat",	1, 1, FEARG_1,	    arg1_list_number,
 			ret_float,	    FLOAT_FUNC(f_reltimefloat)},
-    {"reltimestr",	1, 1, FEARG_1,	    NULL,
+    {"reltimestr",	1, 1, FEARG_1,	    arg1_list_number,
 			ret_string,	    f_reltimestr},
     {"remote_expr",	2, 4, FEARG_1,	    NULL,
 			ret_string,	    f_remote_expr},
-    {"remote_foreground", 1, 1, FEARG_1,    NULL,
+    {"remote_foreground", 1, 1, FEARG_1,    arg1_string,
 			ret_string,	    f_remote_foreground},
     {"remote_peek",	1, 2, FEARG_1,	    NULL,
 			ret_number,	    f_remote_peek},
@@ -1390,15 +1437,15 @@ static funcentry_T global_functions[] =
 			ret_string,	    f_remote_read},
     {"remote_send",	2, 3, FEARG_1,	    NULL,
 			ret_string,	    f_remote_send},
-    {"remote_startserver", 1, 1, FEARG_1,   NULL,
+    {"remote_startserver", 1, 1, FEARG_1,   arg1_string,
 			ret_void,	    f_remote_startserver},
     {"remove",		2, 3, FEARG_1,	    NULL,
 			ret_remove,	    f_remove},
-    {"rename",		2, 2, FEARG_1,	    NULL,
+    {"rename",		2, 2, FEARG_1,	    arg2_string,
 			ret_number_bool,    f_rename},
     {"repeat",		2, 2, FEARG_1,	    NULL,
 			ret_first_arg,	    f_repeat},
-    {"resolve",		1, 1, FEARG_1,	    NULL,
+    {"resolve",		1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_resolve},
     {"reverse",		1, 1, FEARG_1,	    NULL,
 			ret_first_arg,	    f_reverse},
@@ -1420,7 +1467,7 @@ static funcentry_T global_functions[] =
 			ret_list_number,    f_screenchars},
     {"screencol",	0, 0, 0,	    NULL,
 			ret_number,	    f_screencol},
-    {"screenpos",	3, 3, FEARG_1,	    NULL,
+    {"screenpos",	3, 3, FEARG_1,	    arg3_number,
 			ret_dict_number,    f_screenpos},
     {"screenrow",	0, 0, 0,	    NULL,
 			ret_number,	    f_screenrow},
@@ -1428,7 +1475,7 @@ static funcentry_T global_functions[] =
 			ret_string,	    f_screenstring},
     {"search",		1, 5, FEARG_1,	    NULL,
 			ret_number,	    f_search},
-    {"searchcount",	0, 1, FEARG_1,	    NULL,
+    {"searchcount",	0, 1, FEARG_1,	    arg1_dict,
 			ret_dict_any,	    f_searchcount},
     {"searchdecl",	1, 3, FEARG_1,	    NULL,
 			ret_number_bool,    f_searchdecl},
@@ -1450,7 +1497,7 @@ static funcentry_T global_functions[] =
 			ret_void,	    f_setcellwidths},
     {"setcharpos",	2, 2, FEARG_2,	    NULL,
 			ret_number_bool,    f_setcharpos},
-    {"setcharsearch",	1, 1, FEARG_1,	    NULL,
+    {"setcharsearch",	1, 1, FEARG_1,	    arg1_dict,
 			ret_void,	    f_setcharsearch},
     {"setcmdpos",	1, 1, FEARG_1,	    arg1_number,
 			ret_number_bool,    f_setcmdpos},
@@ -1458,7 +1505,7 @@ static funcentry_T global_functions[] =
 			ret_number_bool,    f_setcursorcharpos},
     {"setenv",		2, 2, FEARG_2,	    NULL,
 			ret_void,	    f_setenv},
-    {"setfperm",	2, 2, FEARG_1,	    NULL,
+    {"setfperm",	2, 2, FEARG_1,	    arg2_string,
 			ret_number_bool,    f_setfperm},
     {"setline",		2, 2, FEARG_2,	    NULL,
 			ret_number_bool,    f_setline},
@@ -1480,7 +1527,7 @@ static funcentry_T global_functions[] =
 			ret_number_bool,    f_settagstack},
     {"setwinvar",	3, 3, FEARG_3,	    NULL,
 			ret_void,	    f_setwinvar},
-    {"sha256",		1, 1, FEARG_1,	    NULL,
+    {"sha256",		1, 1, FEARG_1,	    arg1_string,
 			ret_string,
 #ifdef FEAT_CRYPT
 	    f_sha256
@@ -1510,7 +1557,7 @@ static funcentry_T global_functions[] =
 			ret_number_bool,    SIGN_FUNC(f_sign_unplace)},
     {"sign_unplacelist", 1, 2, FEARG_1,	    NULL,
 			ret_list_number,    SIGN_FUNC(f_sign_unplacelist)},
-    {"simplify",	1, 1, FEARG_1,	    NULL,
+    {"simplify",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_simplify},
     {"sin",		1, 1, FEARG_1,	    arg1_float_or_nr,
 			ret_float,	    FLOAT_FUNC(f_sin)},
@@ -1526,11 +1573,11 @@ static funcentry_T global_functions[] =
 			ret_number,	    SOUND_FUNC(f_sound_playevent)},
     {"sound_playfile",	1, 2, FEARG_1,	    NULL,
 			ret_number,	    SOUND_FUNC(f_sound_playfile)},
-    {"sound_stop",	1, 1, FEARG_1,	    NULL,
+    {"sound_stop",	1, 1, FEARG_1,	    arg1_number,
 			ret_void,	    SOUND_FUNC(f_sound_stop)},
-    {"soundfold",	1, 1, FEARG_1,	    NULL,
+    {"soundfold",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_soundfold},
-    {"spellbadword",	0, 1, FEARG_1,	    NULL,
+    {"spellbadword",	0, 1, FEARG_1,	    arg1_string,
 			ret_list_string,    f_spellbadword},
     {"spellsuggest",	1, 3, FEARG_1,	    NULL,
 			ret_list_string,    f_spellsuggest},
@@ -1538,9 +1585,9 @@ static funcentry_T global_functions[] =
 			ret_list_string,    f_split},
     {"sqrt",		1, 1, FEARG_1,	    arg1_float_or_nr,
 			ret_float,	    FLOAT_FUNC(f_sqrt)},
-    {"srand",		0, 1, FEARG_1,	    NULL,
+    {"srand",		0, 1, FEARG_1,	    arg1_number,
 			ret_list_number,    f_srand},
-    {"state",		0, 1, FEARG_1,	    NULL,
+    {"state",		0, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_state},
     {"str2float",	1, 1, FEARG_1,	    arg1_string,
 			ret_float,	    FLOAT_FUNC(f_str2float)},
@@ -1570,11 +1617,11 @@ static funcentry_T global_functions[] =
 			ret_number,	    f_stridx},
     {"string",		1, 1, FEARG_1,	    NULL,
 			ret_string,	    f_string},
-    {"strlen",		1, 1, FEARG_1,	    NULL,
+    {"strlen",		1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_number,	    f_strlen},
     {"strpart",		2, 4, FEARG_1,	    NULL,
 			ret_string,	    f_strpart},
-    {"strptime",	2, 2, FEARG_1,	    NULL,
+    {"strptime",	2, 2, FEARG_1,	    arg2_string,
 			ret_number,
 #ifdef HAVE_STRPTIME
 	    f_strptime
@@ -1584,23 +1631,23 @@ static funcentry_T global_functions[] =
 			},
     {"strridx",		2, 3, FEARG_1,	    NULL,
 			ret_number,	    f_strridx},
-    {"strtrans",	1, 1, FEARG_1,	    NULL,
+    {"strtrans",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_strtrans},
-    {"strwidth",	1, 1, FEARG_1,	    NULL,
+    {"strwidth",	1, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_strwidth},
     {"submatch",	1, 2, FEARG_1,	    NULL,
 			ret_string,	    f_submatch},
     {"substitute",	4, 4, FEARG_1,	    NULL,
 			ret_string,	    f_substitute},
-    {"swapinfo",	1, 1, FEARG_1,	    NULL,
+    {"swapinfo",	1, 1, FEARG_1,	    arg1_string,
 			ret_dict_any,	    f_swapinfo},
-    {"swapname",	1, 1, FEARG_1,	    NULL,
+    {"swapname",	1, 1, FEARG_1,	    arg1_string_or_nr,
 			ret_string,	    f_swapname},
     {"synID",		3, 3, 0,	    NULL,
 			ret_number,	    f_synID},
     {"synIDattr",	2, 3, FEARG_1,	    NULL,
 			ret_string,	    f_synIDattr},
-    {"synIDtrans",	1, 1, FEARG_1,	    NULL,
+    {"synIDtrans",	1, 1, FEARG_1,	    arg1_number,
 			ret_number,	    f_synIDtrans},
     {"synconcealed",	2, 2, 0,	    NULL,
 			ret_list_any,	    f_synconcealed},
@@ -1610,9 +1657,9 @@ static funcentry_T global_functions[] =
 			ret_string,	    f_system},
     {"systemlist",	1, 2, FEARG_1,	    NULL,
 			ret_list_string,    f_systemlist},
-    {"tabpagebuflist",	0, 1, FEARG_1,	    NULL,
+    {"tabpagebuflist",	0, 1, FEARG_1,	    arg1_number,
 			ret_list_number,    f_tabpagebuflist},
-    {"tabpagenr",	0, 1, 0,	    NULL,
+    {"tabpagenr",	0, 1, 0,	    arg1_string,
 			ret_number,	    f_tabpagenr},
     {"tabpagewinnr",	1, 2, FEARG_1,	    NULL,
 			ret_number,	    f_tabpagewinnr},
@@ -1746,13 +1793,13 @@ static funcentry_T global_functions[] =
 			ret_any,	    f_test_unknown},
     {"test_void",	0, 0, 0,	    NULL,
 			ret_void,	    f_test_void},
-    {"timer_info",	0, 1, FEARG_1,	    NULL,
+    {"timer_info",	0, 1, FEARG_1,	    arg1_number,
 			ret_list_dict_any,  TIMER_FUNC(f_timer_info)},
     {"timer_pause",	2, 2, FEARG_1,	    NULL,
 			ret_void,	    TIMER_FUNC(f_timer_pause)},
     {"timer_start",	2, 3, FEARG_1,	    NULL,
 			ret_number,	    TIMER_FUNC(f_timer_start)},
-    {"timer_stop",	1, 1, FEARG_1,	    NULL,
+    {"timer_stop",	1, 1, FEARG_1,	    arg1_number,
 			ret_void,	    TIMER_FUNC(f_timer_stop)},
     {"timer_stopall",	0, 0, 0,	    NULL,
 			ret_void,	    TIMER_FUNC(f_timer_stopall)},
@@ -1770,13 +1817,13 @@ static funcentry_T global_functions[] =
 			ret_number,	    f_type},
     {"typename",	1, 1, FEARG_1,	    NULL,
 			ret_string,	    f_typename},
-    {"undofile",	1, 1, FEARG_1,	    NULL,
+    {"undofile",	1, 1, FEARG_1,	    arg1_string,
 			ret_string,	    f_undofile},
     {"undotree",	0, 0, 0,	    NULL,
 			ret_dict_any,	    f_undotree},
     {"uniq",		1, 3, FEARG_1,	    NULL,
 			ret_list_any,	    f_uniq},
-    {"values",		1, 1, FEARG_1,	    NULL,
+    {"values",		1, 1, FEARG_1,	    arg1_dict,
 			ret_list_any,	    f_values},
     {"virtcol",		1, 1, FEARG_1,	    NULL,
 			ret_number,	    f_virtcol},
@@ -1786,9 +1833,9 @@ static funcentry_T global_functions[] =
 			ret_number,	    f_wildmenumode},
     {"win_execute",	2, 3, FEARG_2,	    NULL,
 			ret_string,	    f_win_execute},
-    {"win_findbuf",	1, 1, FEARG_1,	    NULL,
+    {"win_findbuf",	1, 1, FEARG_1,	    arg1_number,
 			ret_list_number,    f_win_findbuf},
-    {"win_getid",	0, 2, FEARG_1,	    NULL,
+    {"win_getid",	0, 2, FEARG_1,	    arg2_number,
 			ret_number,	    f_win_getid},
     {"win_gettype",	0, 1, FEARG_1,	    arg1_number,
 			ret_string,	    f_win_gettype},
@@ -1814,11 +1861,11 @@ static funcentry_T global_functions[] =
 			ret_list_any,	    f_winlayout},
     {"winline",		0, 0, 0,	    NULL,
 			ret_number,	    f_winline},
-    {"winnr",		0, 1, FEARG_1,	    NULL,
+    {"winnr",		0, 1, FEARG_1,	    arg1_string,
 			ret_number,	    f_winnr},
     {"winrestcmd",	0, 0, 0,	    NULL,
 			ret_string,	    f_winrestcmd},
-    {"winrestview",	1, 1, FEARG_1,	    NULL,
+    {"winrestview",	1, 1, FEARG_1,	    arg1_dict,
 			ret_void,	    f_winrestview},
     {"winsaveview",	0, 0, 0,	    NULL,
 			ret_dict_number,    f_winsaveview},
@@ -2007,6 +2054,18 @@ internal_func_check_arg_types(
     return OK;
 }
 
+/*
+ * Get the argument count for function "idx".
+ * "argcount" is the total argument count, "min_argcount" the non-optional
+ * argument count.
+ */
+    void
+internal_func_get_argcount(int idx, int *argcount, int *min_argcount)
+{
+    *argcount = global_functions[idx].f_max_argc;
+    *min_argcount = global_functions[idx].f_min_argc;
+}
+
 /*
  * Call the "f_retfunc" function to obtain the return type of function "idx".
  * "argtypes" is the list of argument types or NULL when there are no

src/ex_eval.c

@@ -1670,6 +1670,8 @@ ex_catch(exarg_T *eap)
 	for (idx = cstack->cs_idx; idx > 0; --idx)
 	    if (cstack->cs_flags[idx] & CSF_TRY)
 		break;
+	if (cstack->cs_flags[idx] & CSF_TRY)
+	    cstack->cs_flags[idx] |= CSF_CATCH;
 	if (cstack->cs_flags[idx] & CSF_FINALLY)
 	{
 	    // Give up for a ":catch" after ":finally" and ignore it.
@@ -1963,8 +1965,8 @@ ex_endtry(exarg_T *eap)
 	 * made inactive by a ":continue", ":break", ":return", or ":finish" in
 	 * the finally clause.  The latter case need not be tested since then
 	 * anything pending has already been discarded. */
-	skip = did_emsg || got_int || did_throw ||
-	    !(cstack->cs_flags[cstack->cs_idx] & CSF_TRUE);
+	skip = did_emsg || got_int || did_throw
+			     || !(cstack->cs_flags[cstack->cs_idx] & CSF_TRUE);
 
 	if (!(cstack->cs_flags[cstack->cs_idx] & CSF_TRY))
 	{
@@ -1992,6 +1994,14 @@ ex_endtry(exarg_T *eap)
 	{
 	    idx = cstack->cs_idx;
 
+	    if (in_vim9script()
+		     && (cstack->cs_flags[idx] & (CSF_CATCH|CSF_FINALLY)) == 0)
+	    {
+		// try/endtry without any catch or finally: give an error and
+		// continue.
+		eap->errmsg = _(e_missing_catch_or_finally);
+	    }
+
 	    /*
 	     * If we stopped with the exception currently being thrown at this
 	     * try conditional since we didn't know that it doesn't have

src/mbyte.c

@@ -5587,7 +5587,8 @@ f_setcellwidths(typval_T *argvars, typval_T *rettv UNUSED)
     void
 f_charclass(typval_T *argvars, typval_T *rettv UNUSED)
 {
-    if (check_for_string_arg(argvars, 0) == FAIL)
+    if (check_for_string_arg(argvars, 0) == FAIL
+	    || argvars[0].vval.v_string == NULL)
 	return;
     rettv->vval.v_number = mb_get_class(argvars[0].vval.v_string);
 }

src/proto/evalfunc.pro

@@ -6,6 +6,7 @@ int find_internal_func(char_u *name);
 int has_internal_func(char_u *name);
 char *internal_func_name(int idx);
 int internal_func_check_arg_types(type_T **types, int idx, int argcount, cctx_T *cctx);
+void internal_func_get_argcount(int idx, int *argcount, int *min_argcount);
 type_T *internal_func_ret_type(int idx, int argcount, type_T **argtypes);
 int internal_func_is_map(int idx);
 int check_internal_func(int idx, int argcount);
@@ -21,7 +22,6 @@ void f_has(typval_T *argvars, typval_T *rettv);
 int dynamic_feature(char_u *feature);
 void mzscheme_call_vim(char_u *name, typval_T *args, typval_T *rettv);
 void range_list_materialize(list_T *list);
-float_T vim_round(float_T f);
 long do_searchpair(char_u *spat, char_u *mpat, char_u *epat, int dir, typval_T *skip, int flags, pos_T *match_pos, linenr_T lnum_stop, long time_limit);
 void f_string(typval_T *argvars, typval_T *rettv);
 /* vim: set ft=c : */

src/proto/float.pro

@@ -1,4 +1,4 @@
-/* math.c */
+/* float.c */
 int string2float(char_u *text, float_T *value);
 void f_abs(typval_T *argvars, typval_T *rettv);
 void f_acos(typval_T *argvars, typval_T *rettv);
@@ -17,6 +17,7 @@ void f_isnan(typval_T *argvars, typval_T *rettv);
 void f_log(typval_T *argvars, typval_T *rettv);
 void f_log10(typval_T *argvars, typval_T *rettv);
 void f_pow(typval_T *argvars, typval_T *rettv);
+float_T vim_round(float_T f);
 void f_round(typval_T *argvars, typval_T *rettv);
 void f_sin(typval_T *argvars, typval_T *rettv);
 void f_sinh(typval_T *argvars, typval_T *rettv);

src/structs.h

@@ -936,13 +936,14 @@ typedef struct {
 
 # define CSF_TRY	0x0100	// is a ":try"
 # define CSF_FINALLY	0x0200	// ":finally" has been passed
-# define CSF_THROWN	0x0400	// exception thrown to this try conditional
-# define CSF_CAUGHT	0x0800  // exception caught by this try conditional
-# define CSF_SILENT	0x1000	// "emsg_silent" reset by ":try"
+# define CSF_CATCH	0x0400	// ":catch" has been seen
+# define CSF_THROWN	0x0800	// exception thrown to this try conditional
+# define CSF_CAUGHT	0x1000  // exception caught by this try conditional
+# define CSF_SILENT	0x2000	// "emsg_silent" reset by ":try"
 // Note that CSF_ELSE is only used when CSF_TRY and CSF_WHILE are unset
 // (an ":if"), and CSF_SILENT is only used when CSF_TRY is set.
 //
-#define CSF_FUNC_DEF	0x2000	// a function was defined in this block
+#define CSF_FUNC_DEF	0x4000	// a function was defined in this block
 
 /*
  * What's pending for being reactivated at the ":endtry" of this try
@@ -1610,6 +1611,8 @@ typedef struct
     int		uf_dfunc_idx;	// only valid if uf_def_status is UF_COMPILED
     garray_T	uf_args;	// arguments, including optional arguments
     garray_T	uf_def_args;	// default argument expressions
+    int		uf_args_visible; // normally uf_args.ga_len, less when
+				 // compiling default argument expression.
 
     // for :def (for :function uf_ret_type is NULL)
     type_T	**uf_arg_types;	// argument types (count == uf_args.ga_len)

src/testdir/check.vim

@@ -14,6 +14,17 @@ func CheckFeature(name)
   endif
 endfunc
 
+" Command to check for the absence of a feature.
+command -nargs=1 CheckNotFeature call CheckNotFeature(<f-args>)
+func CheckNotFeature(name)
+  if !has(a:name, 1)
+    throw 'Checking for non-existent feature ' .. a:name
+  endif
+  if has(a:name)
+    throw 'Skipped: ' .. a:name .. ' feature present'
+  endif
+endfunc
+
 " Command to check for the presence of a working option.
 command -nargs=1 CheckOption call CheckOption(<f-args>)
 func CheckOption(name)

src/testdir/dumps/Test_visual_block_with_virtualedit.dump

@@ -0,0 +1,8 @@
+|a+0&#e0e0e08@5> +0&#ffffff0@43
+|b+0&#e0e0e08@3| @2| +0&#ffffff0@42
+|c+0&#e0e0e08@1| @4| +0&#ffffff0@42
+|~+0#4040ff13&| @48
+|~| @48
+|~| @48
+|~| @48
+|-+2#0000000&@1| |V|I|S|U|A|L| |B|L|O|C|K| |-@1| +0&&@3|3|x|7| @6|1|,|7| @10|A|l@1| 

src/testdir/dumps/Test_visual_block_with_virtualedit2.dump

@@ -0,0 +1,8 @@
+|a+0&#e0e0e08@5| | +0&#ffffff0@42
+|b+0&#e0e0e08@3| @2| +0&#ffffff0@42
+|c+0&#e0e0e08@1> +0&#ffffff0| +0&#e0e0e08@3| +0&#ffffff0@42
+|~+0#4040ff13&| @48
+|~| @48
+|~| @48
+|~| @48
+|-+2#0000000&@1| |V|I|S|U|A|L| |B|L|O|C|K| |-@1| +0&&@3|3|x|3| @6|3|,|3| @10|A|l@1| 

src/testdir/test_channel.py

@@ -109,6 +109,11 @@ class ThreadedTCPRequestHandler(socketserver.BaseRequestHandler):
                         print("sending: {0}".format(cmd))
                         self.request.sendall(cmd.encode('utf-8'))
                         response = "ok"
+                    elif decoded[1] == 'echoerr':
+                        cmd = '["ex","echoerr \\\"this is an error\\\""]'
+                        print("sending: {0}".format(cmd))
+                        self.request.sendall(cmd.encode('utf-8'))
+                        response = "ok"
                     elif decoded[1] == 'bad command':
                         cmd = '["ex","foo bar"]'
                         print("sending: {0}".format(cmd))

src/testdir/test_channel.vim

@@ -115,6 +115,18 @@ func Ch_communicate(port)
   call WaitForAssert({-> assert_equal("added2", getline("$"))})
   call assert_equal('added1', getline(line('$') - 1))
 
+  " Request command "echoerr 'this is an error'".
+  " This will throw an exception, catch it here.
+  let caught = 'no'
+  try
+    call assert_equal('ok', ch_evalexpr(handle, 'echoerr'))
+  catch /this is an error/
+    let caught = 'yes'
+  endtry
+  if caught != 'yes'
+    call assert_report("Expected exception from error message")
+  endif
+
   " Request command "foo bar", which fails silently.
   call assert_equal('ok', ch_evalexpr(handle, 'bad command'))
   call WaitForAssert({-> assert_match("E492:.*foo bar", v:errmsg)})

src/testdir/test_debugger.vim

@@ -975,8 +975,7 @@ func Test_debug_def_and_legacy_function()
   call RunDbgCmd(buf, 'cont')
 
   call StopVimInTerminal(buf)
-  call delete('Xtest1.vim')
-  call delete('Xtest2.vim')
+  call delete('XtestDebug.vim')
 endfunc
 
 func Test_debug_def_function()
@@ -1017,6 +1016,13 @@ func Test_debug_def_function()
       # comment
       echo "second"
     enddef
+    def g:FuncForLoop()
+      eval 1
+      for i in [11, 22, 33]
+        eval i
+      endfor
+      echo "done"
+    enddef
   END
   call writefile(file, 'Xtest.vim')
 
@@ -1062,6 +1068,15 @@ func Test_debug_def_function()
   call RunDbgCmd(buf, ':call FuncComment()', ['function FuncComment', 'line 2: echo "first"  .. "one"'])
   call RunDbgCmd(buf, ':breakadd func 3 FuncComment')
   call RunDbgCmd(buf, 'cont', ['function FuncComment', 'line 5: echo "second"'])
+  call RunDbgCmd(buf, 'cont')
+
+  call RunDbgCmd(buf, ':breakadd func 2 FuncForLoop')
+  call RunDbgCmd(buf, ':call FuncForLoop()', ['function FuncForLoop', 'line 2: for i in [11, 22, 33]'])
+  call RunDbgCmd(buf, 'echo i', ['11'])
+  call RunDbgCmd(buf, 'next', ['function FuncForLoop', 'line 3: eval i'])
+  call RunDbgCmd(buf, 'next', ['function FuncForLoop', 'line 4: endfor'])
+  call RunDbgCmd(buf, 'next', ['function FuncForLoop', 'line 2: for i in [11, 22, 33]'])
+  call RunDbgCmd(buf, 'echo i', ['22'])
 
   call RunDbgCmd(buf, 'cont')
   call StopVimInTerminal(buf)

src/testdir/test_filetype.vim

@@ -192,6 +192,7 @@ let s:filename_checks = {
     \ 'gdb': ['.gdbinit'],
     \ 'gdmo': ['file.mo', 'file.gdmo'],
     \ 'gedcom': ['file.ged', 'lltxxxxx.txt', '/tmp/lltmp', '/tmp/lltmp-file', 'any/tmp/lltmp', 'any/tmp/lltmp-file'],
+    \ 'gemtext': ['file.gmi', 'file.gemini'],
     \ 'gift': ['file.gift'],
     \ 'gitcommit': ['COMMIT_EDITMSG', 'MERGE_MSG', 'TAG_EDITMSG'],
     \ 'gitconfig': ['file.git/config', '.gitconfig', '.gitmodules', 'file.git/modules//config', '/.config/git/config', '/etc/gitconfig', '/etc/gitconfig.d/file', '/.gitconfig.d/file', 'any/.config/git/config', 'any/.gitconfig.d/file', 'some.git/config', 'some.git/modules/any/config'],
@@ -260,6 +261,7 @@ let s:filename_checks = {
     \ 'jovial': ['file.jov', 'file.j73', 'file.jovial'],
     \ 'jproperties': ['file.properties', 'file.properties_xx', 'file.properties_xx_xx', 'some.properties_xx_xx_file'],
     \ 'json': ['file.json', 'file.jsonp', 'file.json-patch', 'file.webmanifest', 'Pipfile.lock', 'file.ipynb'],
+    \ 'jsonc': ['file.jsonc'],
     \ 'jsp': ['file.jsp'],
     \ 'kconfig': ['Kconfig', 'Kconfig.debug', 'Kconfig.file'],
     \ 'kivy': ['file.kv'],

src/testdir/test_functions.vim

@@ -169,7 +169,8 @@ func Test_strwidth()
 
   if has('float')
     call assert_equal(3, strwidth(1.2))
-    call CheckDefExecAndScriptFailure(['echo strwidth(1.2)'], 'E806:')
+    call CheckDefFailure(['echo strwidth(1.2)'], 'E1013:')
+    call CheckScriptFailure(['vim9script', 'echo strwidth(1.2)'], 'E806:')
   endif
 
   set ambiwidth&
@@ -236,7 +237,7 @@ func Test_str2nr()
   call assert_fails('call str2nr({->2})', 'E729:')
   if has('float')
     call assert_equal(1, str2nr(1.2))
-    call CheckDefExecFailure(['echo str2nr(1.2)'], 'E1013:')
+    call CheckDefFailure(['echo str2nr(1.2)'], 'E1013:')
     call CheckScriptFailure(['vim9script', 'echo str2nr(1.2)'], 'E806:')
   endif
   call assert_fails('call str2nr(10, [])', 'E745:')
@@ -499,7 +500,8 @@ func Test_simplify()
   call assert_fails('call simplify({})', 'E731:')
   if has('float')
     call assert_equal('1.2', simplify(1.2))
-    call CheckDefExecAndScriptFailure(['echo simplify(1.2)'], 'E806:')
+    call CheckDefFailure(['echo simplify(1.2)'], 'E1013:')
+    call CheckScriptFailure(['vim9script', 'echo simplify(1.2)'], 'E806:')
   endif
 endfunc
 
@@ -2169,6 +2171,8 @@ func Test_charclass()
   call assert_equal(1, charclass('.'))
   call assert_equal(2, charclass('x'))
   call assert_equal(3, charclass("\u203c"))
+  " this used to crash vim
+  call assert_equal(0, "xxx"[-1]->charclass())
 endfunc
 
 func Test_eventhandler()

src/testdir/test_glob2regpat.vim

@@ -5,7 +5,8 @@ source vim9.vim
 func Test_glob2regpat_invalid()
   if has('float')
     call assert_equal('^1\.33$', glob2regpat(1.33))
-    call CheckDefExecAndScriptFailure(['echo glob2regpat(1.33)'], 'E806:')
+    call CheckDefFailure(['echo glob2regpat(1.2)'], 'E1013:')
+    call CheckScriptFailure(['vim9script', 'echo glob2regpat(1.2)'], 'E806:')
   endif
   call assert_fails('call glob2regpat("}")', 'E219:')
   call assert_fails('call glob2regpat("{")', 'E220:')

src/testdir/test_gui.vim

@@ -1118,6 +1118,8 @@ func TestGuiTabToolTip()
 endfunc
 
 func Test_gui_tablabel_tooltip()
+  CheckNotFeature gui_athena
+
   %bw!
   " Removing the tabline at the end of this test, reduces the window height by
   " one. Save and restore it after the test.

src/testdir/test_lambda.vim

@@ -330,6 +330,7 @@ func Test_closure_error()
     let caught_932 = 1
   endtry
   call assert_equal(1, caught_932)
+  call delete('Xscript')
 endfunc
 
 " vim: shiftwidth=2 sts=2 expandtab

src/testdir/test_popupwin.vim

@@ -1437,6 +1437,7 @@ endfunc
 
 func Test_popup_atcursor_pos()
   CheckScreendump
+  CheckFeature conceal
 
   let lines =<< trim END
 	call setline(1, repeat([repeat('-', 60)], 15))
@@ -1549,24 +1550,32 @@ func Test_popup_filter()
   redraw
 
   " e is consumed by the filter
+  let g:eaten = ''
   call feedkeys('e', 'xt')
   call assert_equal('e', g:eaten)
   call feedkeys("\<F9>", 'xt')
   call assert_equal("\<F9>", g:eaten)
 
   " 0 is ignored by the filter
+  let g:ignored = ''
   normal $
   call assert_equal(9, getcurpos()[2])
   call feedkeys('0', 'xt')
   call assert_equal('0', g:ignored)
-  normal! l
-  call assert_equal(2, getcurpos()[2])
+
+  if has('win32') && has('gui_running')
+    echo "FIXME: this check is very flaky on MS-Windows GUI, the cursor doesn't move"
+  else
+    call assert_equal(1, getcurpos()[2])
+  endif
 
   " x closes the popup
   call feedkeys('x', 'xt')
   call assert_equal("\<F9>", g:eaten)
   call assert_equal(-1, winbufnr(winid))
 
+  unlet g:eaten
+  unlet g:ignored
   delfunc MyPopupFilter
   call popup_clear()
 endfunc

src/testdir/test_swap.vim

@@ -360,6 +360,7 @@ func Test_swap_prompt_splitwin()
   let buf = RunVimInTerminal('', {'rows': 20})
   call term_sendkeys(buf, ":set nomore\n")
   call term_sendkeys(buf, ":set noruler\n")
+
   call term_sendkeys(buf, ":split Xfile1\n")
   call TermWait(buf)
   call WaitForAssert({-> assert_match('^\[O\]pen Read-Only, (E)dit anyway, (R)ecover, (Q)uit, (A)bort: $', term_getline(buf, 20))})
@@ -371,6 +372,21 @@ func Test_swap_prompt_splitwin()
   call TermWait(buf)
   call WaitForAssert({-> assert_match('^1$', term_getline(buf, 20))})
   call StopVimInTerminal(buf)
+
+  " This caused Vim to crash when typing "q" at the swap file prompt.
+  let buf = RunVimInTerminal('-c "au bufadd * let foo_w = wincol()"', {'rows': 18})
+  call term_sendkeys(buf, ":e Xfile1\<CR>")
+  call WaitForAssert({-> assert_match('More', term_getline(buf, 18))})
+  call term_sendkeys(buf, " ")
+  call WaitForAssert({-> assert_match('^\[O\]pen Read-Only, (E)dit anyway, (R)ecover, (Q)uit, (A)bort:', term_getline(buf, 18))})
+  call term_sendkeys(buf, "q")
+  call TermWait(buf)
+  " check that Vim is still running
+  call term_sendkeys(buf, ":echo 'hello'\<CR>")
+  call WaitForAssert({-> assert_match('^hello', term_getline(buf, 18))})
+  call term_sendkeys(buf, ":%bwipe!\<CR>")
+  call StopVimInTerminal(buf)
+
   %bwipe!
   call delete('Xfile1')
 endfunc
@@ -486,18 +502,18 @@ endfunc
 " Test for renaming a buffer when the swap file is deleted out-of-band
 func Test_missing_swap_file()
   CheckUnix
-  new Xfile1
+  new Xfile2
   call delete(swapname(''))
-  call assert_fails('file Xfile2', 'E301:')
-  call assert_equal('Xfile2', bufname())
-  call assert_true(bufexists('Xfile1'))
+  call assert_fails('file Xfile3', 'E301:')
+  call assert_equal('Xfile3', bufname())
   call assert_true(bufexists('Xfile2'))
+  call assert_true(bufexists('Xfile3'))
   %bw!
 endfunc
 
 " Test for :preserve command
 func Test_preserve()
-  new Xfile1
+  new Xfile4
   setlocal noswapfile
   call assert_fails('preserve', 'E313:')
   bw!
@@ -505,8 +521,8 @@ endfunc
 
 " Test for the v:swapchoice variable
 func Test_swapchoice()
-  call writefile(['aaa', 'bbb'], 'Xfile1')
-  edit Xfile1
+  call writefile(['aaa', 'bbb'], 'Xfile5')
+  edit Xfile5
   preserve
   let swapfname = swapname('')
   let b = readblob(swapfname)
@@ -520,7 +536,7 @@ func Test_swapchoice()
     autocmd!
     autocmd SwapExists * let v:swapchoice = 'o'
   augroup END
-  edit Xfile1
+  edit Xfile5
   call assert_true(&readonly)
   call assert_equal(['aaa', 'bbb'], getline(1, '$'))
   %bw!
@@ -532,11 +548,11 @@ func Test_swapchoice()
     autocmd SwapExists * let v:swapchoice = 'a'
   augroup END
   try
-    edit Xfile1
+    edit Xfile5
   catch /^Vim:Interrupt$/
   endtry
   call assert_equal('', @%)
-  call assert_true(bufexists('Xfile1'))
+  call assert_true(bufexists('Xfile5'))
   %bw!
   call assert_true(filereadable(swapfname))
 
@@ -545,12 +561,12 @@ func Test_swapchoice()
     autocmd!
     autocmd SwapExists * let v:swapchoice = 'd'
   augroup END
-  edit Xfile1
-  call assert_equal('Xfile1', @%)
+  edit Xfile5
+  call assert_equal('Xfile5', @%)
   %bw!
   call assert_false(filereadable(swapfname))
 
-  call delete('Xfile1')
+  call delete('Xfile5')
   call delete(swapfname)
   augroup test_swapchoice
     autocmd!

src/testdir/test_vim9_assign.vim

@@ -650,6 +650,15 @@ def Test_assignment_list()
     d.dd[0] = 0
   END
   CheckDefExecFailure(lines, 'E1147:', 2)
+
+  lines =<< trim END
+      def OneArg(x: bool)
+      enddef
+      def TwoArgs(x: bool, y: bool)
+      enddef
+      var fl: list<func(bool, bool, bool)> = [OneArg, TwoArgs]
+  END
+  CheckDefExecAndScriptFailure(lines, 'E1012:', 5)
 enddef
 
 def Test_assignment_list_any_index()

src/testdir/test_vim9_builtin.vim

@@ -180,12 +180,14 @@ def Test_balloon_show()
   CheckGui
   CheckFeature balloon_eval
 
+  assert_fails('balloon_show(10)', 'E1174:')
   assert_fails('balloon_show(true)', 'E1174:')
 enddef
 
 def Test_balloon_split()
   CheckFeature balloon_eval_term
 
+  assert_fails('balloon_split([])', 'E1174:')
   assert_fails('balloon_split(true)', 'E1174:')
 enddef
 
@@ -206,14 +208,28 @@ def Test_browse()
   CheckDefExecAndScriptFailure(lines, 'E1174: String required for argument 4')
 enddef
 
+def Test_bufadd()
+  assert_fails('bufadd([])', 'E730:')
+enddef
+
 def Test_bufexists()
-  assert_fails('bufexists(true)', 'E1174')
+  assert_fails('bufexists(true)', 'E1174:')
 enddef
 
 def Test_buflisted()
   var res: bool = buflisted('asdf')
   assert_equal(false, res)
-  assert_fails('buflisted(true)', 'E1174')
+  assert_fails('buflisted(true)', 'E1174:')
+  assert_fails('buflisted([])', 'E1174:')
+enddef
+
+def Test_bufload()
+  assert_fails('bufload([])', 'E730:')
+enddef
+
+def Test_bufloaded()
+  assert_fails('bufloaded(true)', 'E1174:')
+  assert_fails('bufloaded([])', 'E1174:')
 enddef
 
 def Test_bufname()
@@ -222,6 +238,8 @@ def Test_bufname()
   edit OtherFile
   bufname('#')->assert_equal('SomeFile')
   close
+  assert_fails('bufname(true)', 'E1138:')
+  assert_fails('bufname([])', 'E745:')
 enddef
 
 def Test_bufnr()
@@ -246,7 +264,19 @@ def Test_bufwinid()
   bwipe SomeFile
   bwipe OtherFile
 
-  assert_fails('bufwinid(true)', 'E1138')
+  assert_fails('bufwinid(true)', 'E1138:')
+  assert_fails('bufwinid([])', 'E745:')
+enddef
+
+def Test_bufwinnr()
+  assert_fails('bufwinnr(true)', 'E1138:')
+  assert_fails('bufwinnr([])', 'E745:')
+enddef
+
+def Test_byte2line()
+  CheckDefFailure(['byte2line("1")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  CheckDefFailure(['byte2line([])'], 'E1013: Argument 1: type mismatch, expected number but got list<unknown>')
+  assert_equal(-1, byte2line(0))
 enddef
 
 def Test_call_call()
@@ -259,22 +289,29 @@ def Test_ch_logfile()
   if !has('channel')
     CheckFeature channel
   endif
-  assert_fails('ch_logfile(true)', 'E1174')
-  assert_fails('ch_logfile("foo", true)', 'E1174')
+  assert_fails('ch_logfile(true)', 'E1174:')
+  assert_fails('ch_logfile("foo", true)', 'E1174:')
 enddef
 
 def Test_char2nr()
   char2nr('あ', true)->assert_equal(12354)
 
-  assert_fails('char2nr(true)', 'E1174')
+  assert_fails('char2nr(true)', 'E1174:')
 enddef
 
 def Test_charclass()
-  assert_fails('charclass(true)', 'E1174')
+  assert_fails('charclass(true)', 'E1174:')
 enddef
 
 def Test_chdir()
-  assert_fails('chdir(true)', 'E1174')
+  assert_fails('chdir(true)', 'E1174:')
+enddef
+
+def Test_cindent()
+  CheckDefFailure(['cindent([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  CheckDefFailure(['cindent(null)'], 'E1013: Argument 1: type mismatch, expected string but got special')
+  assert_equal(-1, cindent(0))
+  assert_equal(0, cindent('.'))
 enddef
 
 def Test_clearmatches()
@@ -286,7 +323,7 @@ def Test_col()
   setline(1, 'asdf')
   col([1, '$'])->assert_equal(5)
 
-  assert_fails('col(true)', 'E1174')
+  assert_fails('col(true)', 'E1174:')
 enddef
 
 def Test_confirm()
@@ -294,9 +331,16 @@ def Test_confirm()
     CheckFeature dialog_con
   endif
 
-  assert_fails('confirm(true)', 'E1174')
-  assert_fails('confirm("yes", true)', 'E1174')
-  assert_fails('confirm("yes", "maybe", 2, true)', 'E1174')
+  assert_fails('confirm(true)', 'E1174:')
+  assert_fails('confirm("yes", true)', 'E1174:')
+  assert_fails('confirm("yes", "maybe", 2, true)', 'E1174:')
+enddef
+
+def Test_complete_info()
+  CheckDefFailure(['complete_info("")'], 'E1013: Argument 1: type mismatch, expected list<string> but got string')
+  CheckDefFailure(['complete_info({})'], 'E1013: Argument 1: type mismatch, expected list<string> but got dict<unknown>')
+  assert_equal({'pum_visible': 0, 'mode': '', 'selected': -1, 'items': []}, complete_info())
+  assert_equal({'mode': '', 'items': []}, complete_info(['mode', 'items']))
 enddef
 
 def Test_copy_return_type()
@@ -346,12 +390,32 @@ def Test_delete()
   assert_equal(true, res)
 enddef
 
+def Test_diff_filler()
+  CheckDefFailure(['diff_filler([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  CheckDefFailure(['diff_filler(true)'], 'E1013: Argument 1: type mismatch, expected string but got bool')
+  assert_equal(0, diff_filler(1))
+  assert_equal(0, diff_filler('.'))
+enddef
+
+def Test_escape()
+  CheckDefFailure(['escape("a", 10)'], 'E1013: Argument 2: type mismatch, expected string but got number')
+  CheckDefFailure(['escape(10, " ")'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['escape(true, false)'], 'E1013: Argument 1: type mismatch, expected string but got bool')
+  assert_equal('a\:b', escape("a:b", ":"))
+enddef
+
+def Test_eval()
+  CheckDefFailure(['eval(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['eval(null)'], 'E1013: Argument 1: type mismatch, expected string but got special')
+  assert_equal(2, eval('1 + 1'))
+enddef
+
 def Test_executable()
   assert_false(executable(""))
   assert_false(executable(test_null_string()))
 
-  CheckDefExecFailure(['echo executable(123)'], 'E1174:')
-  CheckDefExecFailure(['echo executable(true)'], 'E1174:')
+  CheckDefExecFailure(['echo executable(123)'], 'E1013:')
+  CheckDefExecFailure(['echo executable(true)'], 'E1013:')
 enddef
 
 def Test_execute()
@@ -367,11 +431,16 @@ def Test_execute()
 enddef
 
 def Test_exepath()
-  CheckDefExecFailure(['echo exepath(true)'], 'E1174:')
-  CheckDefExecFailure(['echo exepath(v:null)'], 'E1174:')
+  CheckDefExecFailure(['echo exepath(true)'], 'E1013:')
+  CheckDefExecFailure(['echo exepath(v:null)'], 'E1013:')
   CheckDefExecFailure(['echo exepath("")'], 'E1175:')
 enddef
 
+def Test_exists()
+  CheckDefFailure(['exists(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  call assert_equal(1, exists('&tabstop'))
+enddef
+
 def Test_expand()
   split SomeFile
   expand('%', true, true)->assert_equal(['SomeFile'])
@@ -507,6 +576,16 @@ def Test_extend_with_error_function()
   CheckScriptFailure(lines, 'E1001: Variable not found: m')
 enddef
 
+def Test_feedkeys()
+  CheckDefFailure(['feedkeys(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['feedkeys("x", 10)'], 'E1013: Argument 2: type mismatch, expected string but got number')
+  CheckDefFailure(['feedkeys([], {})'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  g:TestVar = 1
+  feedkeys(":g:TestVar = 789\n", 'xt')
+  assert_equal(789, g:TestVar)
+  unlet g:TestVar
+enddef
+
 def Test_job_info_return_type()
   if has('job')
     job_start(&shell)
@@ -521,16 +600,16 @@ def Test_filereadable()
   assert_false(filereadable(""))
   assert_false(filereadable(test_null_string()))
 
-  CheckDefExecFailure(['echo filereadable(123)'], 'E1174:')
-  CheckDefExecFailure(['echo filereadable(true)'], 'E1174:')
+  CheckDefExecFailure(['echo filereadable(123)'], 'E1013:')
+  CheckDefExecFailure(['echo filereadable(true)'], 'E1013:')
 enddef
 
 def Test_filewritable()
   assert_false(filewritable(""))
   assert_false(filewritable(test_null_string()))
 
-  CheckDefExecFailure(['echo filewritable(123)'], 'E1174:')
-  CheckDefExecFailure(['echo filewritable(true)'], 'E1174:')
+  CheckDefExecFailure(['echo filewritable(123)'], 'E1013:')
+  CheckDefExecFailure(['echo filewritable(true)'], 'E1013:')
 enddef
 
 def Test_finddir()
@@ -620,15 +699,20 @@ def Test_float_funcs_args()
   CheckDefFailure(['echo trunc("a")'], 'E1013: Argument 1: type mismatch, expected number but got string')
 enddef
 
+def Test_fnameescape()
+  CheckDefFailure(['fnameescape(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal('\+a\%b\|', fnameescape('+a%b|'))
+enddef
+
 def Test_fnamemodify()
   CheckDefSuccess(['echo fnamemodify(test_null_string(), ":p")'])
   CheckDefSuccess(['echo fnamemodify("", ":p")'])
   CheckDefSuccess(['echo fnamemodify("file", test_null_string())'])
   CheckDefSuccess(['echo fnamemodify("file", "")'])
 
-  CheckDefExecFailure(['echo fnamemodify(true, ":p")'], 'E1174: String required for argument 1')
-  CheckDefExecFailure(['echo fnamemodify(v:null, ":p")'], 'E1174: String required for argument 1')
-  CheckDefExecFailure(['echo fnamemodify("file", true)'], 'E1174: String required for argument 2')
+  CheckDefExecFailure(['echo fnamemodify(true, ":p")'], 'E1013: Argument 1: type mismatch, expected string but got bool')
+  CheckDefExecFailure(['echo fnamemodify(v:null, ":p")'], 'E1013: Argument 1: type mismatch, expected string but got special')
+  CheckDefExecFailure(['echo fnamemodify("file", true)'],  'E1013: Argument 2: type mismatch, expected string but got bool')
 enddef
 
 def Wrong_dict_key_type(items: list<number>): list<number>
@@ -654,6 +738,30 @@ def Test_filter_missing_argument()
   res->assert_equal({aa: [1], ac: [3]})
 enddef
 
+def Test_foldclosed()
+  CheckDefFailure(['foldclosed(function("min"))'], 'E1013: Argument 1: type mismatch, expected string but got func(...): any')
+  assert_equal(-1, foldclosed(1))
+  assert_equal(-1, foldclosed('$'))
+enddef
+
+def Test_foldclosedend()
+  CheckDefFailure(['foldclosedend(true)'], 'E1013: Argument 1: type mismatch, expected string but got bool')
+  assert_equal(-1, foldclosedend(1))
+  assert_equal(-1, foldclosedend('w0'))
+enddef
+
+def Test_foldlevel()
+  CheckDefFailure(['foldlevel(0z10)'], 'E1013: Argument 1: type mismatch, expected string but got blob')
+  assert_equal(0, foldlevel(1))
+  assert_equal(0, foldlevel('.'))
+enddef
+
+def Test_foldtextresult()
+  CheckDefFailure(['foldtextresult(1.1)'], 'E1013: Argument 1: type mismatch, expected string but got float')
+  assert_equal('', foldtextresult(1))
+  assert_equal('', foldtextresult('.'))
+enddef
+
 def Test_fullcommand()
   assert_equal('next', fullcommand('n'))
   assert_equal('noremap', fullcommand('no'))
@@ -762,36 +870,40 @@ def Test_getloclist_return_type()
   d->assert_equal({items: []})
 enddef
 
+def Test_getfontname()
+  CheckDefFailure(['getfontname(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+enddef
+
 def Test_getfperm()
   assert_equal('', getfperm(""))
   assert_equal('', getfperm(test_null_string()))
 
-  CheckDefExecFailure(['echo getfperm(true)'], 'E1174:')
-  CheckDefExecFailure(['echo getfperm(v:null)'], 'E1174:')
+  CheckDefExecFailure(['echo getfperm(true)'], 'E1013:')
+  CheckDefExecFailure(['echo getfperm(v:null)'], 'E1013:')
 enddef
 
 def Test_getfsize()
   assert_equal(-1, getfsize(""))
   assert_equal(-1, getfsize(test_null_string()))
 
-  CheckDefExecFailure(['echo getfsize(true)'], 'E1174:')
-  CheckDefExecFailure(['echo getfsize(v:null)'], 'E1174:')
+  CheckDefExecFailure(['echo getfsize(true)'], 'E1013:')
+  CheckDefExecFailure(['echo getfsize(v:null)'], 'E1013:')
 enddef
 
 def Test_getftime()
   assert_equal(-1, getftime(""))
   assert_equal(-1, getftime(test_null_string()))
 
-  CheckDefExecFailure(['echo getftime(true)'], 'E1174:')
-  CheckDefExecFailure(['echo getftime(v:null)'], 'E1174:')
+  CheckDefExecFailure(['echo getftime(true)'], 'E1013:')
+  CheckDefExecFailure(['echo getftime(v:null)'], 'E1013:')
 enddef
 
 def Test_getftype()
   assert_equal('', getftype(""))
   assert_equal('', getftype(test_null_string()))
 
-  CheckDefExecFailure(['echo getftype(true)'], 'E1174:')
-  CheckDefExecFailure(['echo getftype(v:null)'], 'E1174:')
+  CheckDefExecFailure(['echo getftype(true)'], 'E1013:')
+  CheckDefExecFailure(['echo getftype(v:null)'], 'E1013:')
 enddef
 
 def Test_getjumplist()
@@ -800,10 +912,27 @@ def Test_getjumplist()
   CheckDefFailure(['echo getjumplist(1, "x")'], 'E1013: Argument 2: type mismatch, expected number but got string')
 enddef
 
+def Test_getmarklist()
+  CheckDefFailure(['getmarklist([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  assert_equal([], getmarklist(10000))
+  assert_fails('getmarklist("a%b@#")', 'E94:')
+enddef
+
 def Test_getmatches()
   CheckDefFailure(['echo getmatches("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
 enddef
 
+def Test_getpos()
+  CheckDefFailure(['getpos(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal([0, 1, 1, 0], getpos('.'))
+  assert_equal([0, 0, 0, 0], getpos('a'))
+enddef
+
+def Test_getqflist()
+  CheckDefFailure(['getqflist([])'], 'E1013: Argument 1: type mismatch, expected dict<any> but got list<unknown>')
+  call assert_equal({}, getqflist({}))
+enddef
+
 def Test_getqflist_return_type()
   var l = getqflist()
   l->assert_equal([])
@@ -847,6 +976,11 @@ def Test_gettagstack()
   CheckDefFailure(['echo gettagstack("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
 enddef
 
+def Test_gettext()
+  CheckDefFailure(['gettext(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal('abc', gettext("abc"))
+enddef
+
 def Test_getwininfo()
   CheckDefFailure(['echo getwininfo("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
 enddef
@@ -859,6 +993,11 @@ def Test_glob()
   glob('runtest.vim', true, true, true)->assert_equal(['runtest.vim'])
 enddef
 
+def Test_glob2regpat()
+  CheckDefFailure(['glob2regpat(null)'], 'E1013: Argument 1: type mismatch, expected string but got special')
+  assert_equal('^$', glob2regpat(''))
+enddef
+
 def Test_globpath()
   globpath('.', 'runtest.vim', true, true, true)->assert_equal(['./runtest.vim'])
 enddef
@@ -880,10 +1019,56 @@ def Test_hasmapto()
   iunabbrev foo
 enddef
 
+def Test_histadd()
+  CheckDefFailure(['histadd(1, "x")'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['histadd(":", 10)'], 'E1013: Argument 2: type mismatch, expected string but got number')
+  histadd("search", 'skyblue')
+  assert_equal('skyblue', histget('/', -1))
+enddef
+
+def Test_histnr()
+  CheckDefFailure(['histnr(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal(-1, histnr('abc'))
+enddef
+
+def Test_hlID()
+  CheckDefFailure(['hlID(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal(0, hlID('NonExistingHighlight'))
+enddef
+
+def Test_hlexists()
+  CheckDefFailure(['hlexists([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  assert_equal(0, hlexists('NonExistingHighlight'))
+enddef
+
+def Test_iconv()
+  CheckDefFailure(['iconv(1, "from", "to")'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['iconv("abc", 10, "to")'], 'E1013: Argument 2: type mismatch, expected string but got number')
+  CheckDefFailure(['iconv("abc", "from", 20)'], 'E1013: Argument 3: type mismatch, expected string but got number')
+  assert_equal('abc', iconv('abc', 'fromenc', 'toenc'))
+enddef
+
 def Test_index()
   index(['a', 'b', 'a', 'B'], 'b', 2, true)->assert_equal(3)
 enddef
 
+def Test_inputlist()
+  CheckDefFailure(['inputlist(10)'], 'E1013: Argument 1: type mismatch, expected list<string> but got number')
+  CheckDefFailure(['inputlist("abc")'], 'E1013: Argument 1: type mismatch, expected list<string> but got string')
+  CheckDefFailure(['inputlist([1, 2, 3])'], 'E1013: Argument 1: type mismatch, expected list<string> but got list<number>')
+  feedkeys("2\<CR>", 't')
+  var r: number = inputlist(['a', 'b', 'c'])
+  assert_equal(2, r)
+enddef
+
+def Test_inputsecret()
+  CheckDefFailure(['inputsecret(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['inputsecret("Pass:", 20)'], 'E1013: Argument 2: type mismatch, expected string but got number')
+  feedkeys("\<CR>", 't')
+  var ans: string = inputsecret('Pass:', '123')
+  assert_equal('123', ans)
+enddef
+
 let s:number_one = 1
 let s:number_two = 2
 let s:string_keep = 'keep'
@@ -928,13 +1113,51 @@ def Test_invert()
   CheckDefFailure(['echo invert("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
 enddef
 
+def Test_isdirectory()
+  CheckDefFailure(['isdirectory(1.1)'], 'E1013: Argument 1: type mismatch, expected string but got float')
+  assert_false(isdirectory('NonExistingDir'))
+enddef
+
+def Test_items()
+  CheckDefFailure(['[]->items()'], 'E1013: Argument 1: type mismatch, expected dict<any> but got list<unknown>')
+  assert_equal([['a', 10], ['b', 20]], {'a': 10, 'b': 20}->items())
+  assert_equal([], {}->items())
+enddef
+
+def Test_js_decode()
+  CheckDefFailure(['js_decode(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal([1, 2], js_decode('[1,2]'))
+enddef
+
+def Test_json_decode()
+  CheckDefFailure(['json_decode(true)'], 'E1013: Argument 1: type mismatch, expected string but got bool')
+  assert_equal(1.0, json_decode('1.0'))
+enddef
+
+def Test_keys()
+  CheckDefFailure(['keys([])'], 'E1013: Argument 1: type mismatch, expected dict<any> but got list<unknown>')
+  assert_equal(['a'], {a: 'v'}->keys())
+  assert_equal([], {}->keys())
+enddef
+
 def Test_keys_return_type()
   const var: list<string> = {a: 1, b: 2}->keys()
   var->assert_equal(['a', 'b'])
 enddef
 
 def Test_line()
-  assert_fails('line(true)', 'E1174')
+  assert_fails('line(true)', 'E1174:')
+enddef
+
+def Test_line2byte()
+  CheckDefFailure(['line2byte(true)'], 'E1013: Argument 1: type mismatch, expected string but got bool')
+  assert_equal(-1, line2byte(1))
+  assert_equal(-1, line2byte(10000))
+enddef
+
+def Test_lispindent()
+  CheckDefFailure(['lispindent({})'], 'E1013: Argument 1: type mismatch, expected string but got dict<unknown>')
+  assert_equal(0, lispindent(1))
 enddef
 
 def Test_list2str_str2list_utf8()
@@ -1080,6 +1303,13 @@ def Test_max()
   assert_equal([4, 5], l2)
 enddef
 
+def Test_menu_info()
+  CheckDefFailure(['menu_info(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['menu_info(10, "n")'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['menu_info("File", 10)'], 'E1013: Argument 2: type mismatch, expected string but got number')
+  assert_equal({}, menu_info('aMenu'))
+enddef
+
 def Test_min()
   g:flag = true
   var l1: list<number> = g:flag
@@ -1094,6 +1324,11 @@ def Test_min()
   assert_equal([4, 5], l2)
 enddef
 
+def Test_nextnonblank()
+  CheckDefFailure(['nextnonblank(null)'], 'E1013: Argument 1: type mismatch, expected string but got special')
+  assert_equal(0, nextnonblank(1))
+enddef
+
 def Test_nr2char()
   nr2char(97, true)->assert_equal('a')
 enddef
@@ -1103,6 +1338,25 @@ def Test_or()
   CheckDefFailure(['echo or(0x1, "x")'], 'E1013: Argument 2: type mismatch, expected number but got string')
 enddef
 
+def Test_prevnonblank()
+  CheckDefFailure(['prevnonblank(null)'], 'E1013: Argument 1: type mismatch, expected string but got special')
+  assert_equal(0, prevnonblank(1))
+enddef
+
+def Test_prompt_getprompt()
+  if has('channel')
+    CheckDefFailure(['prompt_getprompt([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+    assert_equal('', prompt_getprompt('NonExistingBuf'))
+  endif
+enddef
+
+def Test_rand()
+  CheckDefFailure(['rand(10)'], 'E1013: Argument 1: type mismatch, expected list<number> but got number')
+  CheckDefFailure(['rand(["a"])'], 'E1013: Argument 1: type mismatch, expected list<number> but got list<string>')
+  assert_true(rand() >= 0)
+  assert_true(rand(srand()) >= 0)
+enddef
+
 def Test_readdir()
    eval expand('sautest')->readdir((e) => e[0] !=# '.')
    eval expand('sautest')->readdirex((e) => e.name[0] !=# '.')
@@ -1134,6 +1388,41 @@ def Test_readfile()
   delete('Xreadfile')
 enddef
 
+def Test_reltime()
+  CheckDefFailure(['reltime("x")'], 'E1013: Argument 1: type mismatch, expected list<number> but got string')
+  CheckDefFailure(['reltime(["x", "y"])'], 'E1013: Argument 1: type mismatch, expected list<number> but got list<string>')
+  CheckDefFailure(['reltime([1, 2], 10)'], 'E1013: Argument 2: type mismatch, expected list<number> but got number')
+  CheckDefFailure(['reltime([1, 2], ["a", "b"])'], 'E1013: Argument 2: type mismatch, expected list<number> but got list<string>')
+  var start: list<any> = reltime()
+  assert_true(type(reltime(start)) == v:t_list)
+  var end: list<any> = reltime()
+  assert_true(type(reltime(start, end)) == v:t_list)
+enddef
+
+def Test_reltimefloat()
+  CheckDefFailure(['reltimefloat("x")'], 'E1013: Argument 1: type mismatch, expected list<number> but got string')
+  CheckDefFailure(['reltimefloat([1.1])'], 'E1013: Argument 1: type mismatch, expected list<number> but got list<float>')
+  assert_true(type(reltimefloat(reltime())) == v:t_float)
+enddef
+
+def Test_reltimestr()
+  CheckDefFailure(['reltimestr(true)'], 'E1013: Argument 1: type mismatch, expected list<number> but got bool')
+  CheckDefFailure(['reltimestr([true])'], 'E1013: Argument 1: type mismatch, expected list<number> but got list<bool>')
+  assert_true(type(reltimestr(reltime())) == v:t_string)
+enddef
+
+def Test_remote_foreground()
+  CheckFeature clientserver
+  # remote_foreground() doesn't fail on MS-Windows
+  CheckNotMSWindows
+  CheckDefFailure(['remote_foreground(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_fails('remote_foreground("NonExistingServer")', 'E241:')
+enddef
+
+def Test_remote_startserver()
+  CheckDefFailure(['remote_startserver({})'], 'E1013: Argument 1: type mismatch, expected string but got dict<unknown>')
+enddef
+
 def Test_remove_return_type()
   var l = remove({one: [1, 2], two: [3, 4]}, 'one')
   var res = 0
@@ -1143,6 +1432,16 @@ def Test_remove_return_type()
   res->assert_equal(3)
 enddef
 
+def Test_rename()
+  CheckDefFailure(['rename(1, "b")'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['rename("a", 2)'], 'E1013: Argument 2: type mismatch, expected string but got number')
+enddef
+
+def Test_resolve()
+  CheckDefFailure(['resolve([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  assert_equal('SomeFile', resolve('SomeFile'))
+enddef
+
 def Test_reverse_return_type()
   var l = reverse([1, 2, 3])
   var res = 0
@@ -1167,6 +1466,13 @@ def Test_screenchars()
   CheckDefFailure(['echo screenchars(1, "x")'], 'E1013: Argument 2: type mismatch, expected number but got string')
 enddef
 
+def Test_screenpos()
+  CheckDefFailure(['screenpos("a", 1, 1)'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  CheckDefFailure(['screenpos(1, "b", 1)'], 'E1013: Argument 2: type mismatch, expected number but got string')
+  CheckDefFailure(['screenpos(1, 1, "c")'], 'E1013: Argument 3: type mismatch, expected number but got string')
+  assert_equal({col: 1, row: 1, endcol: 1, curscol: 1}, screenpos(1, 1, 1))
+enddef
+
 def Test_screenstring()
   CheckDefFailure(['echo screenstring("x", 1)'], 'E1013: Argument 1: type mismatch, expected number but got string')
   CheckDefFailure(['echo screenstring(1, "x")'], 'E1013: Argument 2: type mismatch, expected number but got string')
@@ -1334,10 +1640,23 @@ def Test_setbufvar()
   getbufvar('%', 'myvar')->assert_equal(123)
 enddef
 
+def Test_setcharsearch()
+  CheckDefFailure(['setcharsearch("x")'], 'E1013: Argument 1: type mismatch, expected dict<any> but got string')
+  CheckDefFailure(['setcharsearch([])'], 'E1013: Argument 1: type mismatch, expected dict<any> but got list<unknown>')
+  var d: dict<any> = {char: 'x', forward: 1, until: 1}
+  setcharsearch(d)
+  assert_equal(d, getcharsearch())
+enddef
+
 def Test_setcmdpos()
   CheckDefFailure(['echo setcmdpos("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
 enddef
 
+def Test_setfperm()
+  CheckDefFailure(['setfperm(1, "b")'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['setfperm("a", 0z10)'], 'E1013: Argument 2: type mismatch, expected string but got blob')
+enddef
+
 def Test_setloclist()
   var items = [{filename: '/tmp/file', lnum: 1, valid: true}]
   var what = {items: items}
@@ -1353,10 +1672,21 @@ def Test_setreg()
   assert_fails('setreg("ab", 0)', 'E1162:')
 enddef 
 
+def Test_sha256()
+  CheckDefFailure(['sha256(100)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['sha256(0zABCD)'], 'E1013: Argument 1: type mismatch, expected string but got blob')
+  assert_equal('ba7816bf8f01cfea414140de5dae2223b00361a396177a9cb410ff61f20015ad', sha256('abc'))
+enddef
+
 def Test_shiftwidth()
   CheckDefFailure(['echo shiftwidth("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
 enddef
 
+def Test_simplify()
+  CheckDefFailure(['simplify(100)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  call assert_equal('NonExistingFile', simplify('NonExistingFile'))
+enddef
+
 def Test_slice()
   assert_equal('12345', slice('012345', 1))
   assert_equal('123', slice('012345', 1, 4))
@@ -1388,6 +1718,16 @@ def Test_spellsuggest()
   endif
 enddef
 
+def Test_sound_stop()
+  CheckFeature sound
+  CheckDefFailure(['sound_stop("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+enddef
+
+def Test_soundfold()
+  CheckDefFailure(['soundfold(20)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal('abc', soundfold('abc'))
+enddef
+
 def Test_sort_return_type()
   var res: list<number>
   res = [1, 2, 3]->sort()
@@ -1408,10 +1748,25 @@ def Test_sort_argument()
   CheckDefAndScriptSuccess(lines)
 enddef
 
+def Test_spellbadword()
+  CheckDefFailure(['spellbadword(100)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  spellbadword('good')->assert_equal(['', ''])
+enddef
+
 def Test_split()
   split('  aa  bb  ', '\W\+', true)->assert_equal(['', 'aa', 'bb', ''])
 enddef
 
+def Test_srand()
+  CheckDefFailure(['srand("a")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  type(srand(100))->assert_equal(v:t_list)
+enddef
+
+def Test_state()
+  CheckDefFailure(['state({})'], 'E1013: Argument 1: type mismatch, expected string but got dict<unknown>')
+  assert_equal('', state('a'))
+enddef
+
 def Run_str2float()
   if !has('float')
     MissingFeature 'float'
@@ -1439,6 +1794,33 @@ def Test_strchars()
   strchars("A\u20dd", true)->assert_equal(1)
 enddef
 
+def Test_strlen()
+  CheckDefFailure(['strlen([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  "abc"->strlen()->assert_equal(3)
+  strlen(99)->assert_equal(2)
+enddef
+
+def Test_strptime()
+  CheckFunction strptime
+  CheckDefFailure(['strptime(10, "2021")'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckDefFailure(['strptime("%Y", 2021)'], 'E1013: Argument 2: type mismatch, expected string but got number')
+  # BUG: Directly calling strptime() in this function gives an "E117: Unknown
+  # function" error on MS-Windows even with the above CheckFunction call for
+  # strptime().
+  #assert_true(strptime('%Y', '2021') != 0)
+enddef
+
+def Test_strtrans()
+  CheckDefFailure(['strtrans(20)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal('abc', strtrans('abc'))
+enddef
+
+def Test_strwidth()
+  CheckDefFailure(['strwidth(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  CheckScriptFailure(['vim9script', 'echo strwidth(10)'], 'E1024:')
+  assert_equal(4, strwidth('abcd'))
+enddef
+
 def Test_submatch()
   var pat = 'A\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)\(.\)'
   var Rep = () => range(10)->mapnew((_, v) => submatch(v, true))->string()
@@ -1457,6 +1839,16 @@ def Test_substitute()
   endif
 enddef
 
+def Test_swapinfo()
+  CheckDefFailure(['swapinfo({})'], 'E1013: Argument 1: type mismatch, expected string but got dict<unknown>')
+  call assert_equal({error: 'Cannot open file'}, swapinfo('x'))
+enddef
+
+def Test_swapname()
+  CheckDefFailure(['swapname([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  assert_fails('swapname("NonExistingBuf")', 'E94:')
+enddef
+
 def Test_synID()
   new
   setline(1, "text")
@@ -1464,6 +1856,22 @@ def Test_synID()
   bwipe!
 enddef
 
+def Test_synIDtrans()
+  CheckDefFailure(['synIDtrans("a")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+enddef
+
+def Test_tabpagebuflist()
+  CheckDefFailure(['tabpagebuflist("t")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  assert_equal([bufnr('')], tabpagebuflist())
+  assert_equal([bufnr('')], tabpagebuflist(1))
+enddef
+
+def Test_tabpagenr()
+  CheckDefFailure(['tabpagenr(1)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal(1, tabpagenr('$'))
+  assert_equal(1, tabpagenr())
+enddef
+
 def Test_term_gettty()
   if !has('terminal')
     MissingFeature 'terminal'
@@ -1486,6 +1894,12 @@ def Test_term_start()
   endif
 enddef
 
+def Test_timer_info()
+  CheckDefFailure(['timer_info("id")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  assert_equal([], timer_info(100))
+  assert_equal([], timer_info())
+enddef
+
 def Test_timer_paused()
   var id = timer_start(50, () => 0)
   timer_pause(id, true)
@@ -1494,6 +1908,11 @@ def Test_timer_paused()
   timer_stop(id)
 enddef
 
+def Test_timer_stop()
+  CheckDefFailure(['timer_stop("x")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  assert_equal(0, timer_stop(100))
+enddef
+
 def Test_tolower()
   CheckDefFailure(['echo tolower(1)'], 'E1013: Argument 1: type mismatch, expected string but got number')
 enddef
@@ -1508,17 +1927,46 @@ def Test_tr()
   CheckDefFailure(['echo tr("a", "a", 1)'], 'E1013: Argument 3: type mismatch, expected string but got number')
 enddef
 
+def Test_undofile()
+  CheckDefFailure(['undofile(10)'], 'E1013: Argument 1: type mismatch, expected string but got number')
+  assert_equal('.abc.un~', fnamemodify(undofile('abc'), ':t'))
+enddef
+
+def Test_values()
+  CheckDefFailure(['values([])'], 'E1013: Argument 1: type mismatch, expected dict<any> but got list<unknown>')
+  assert_equal([], {}->values())
+  assert_equal(['sun'], {star: 'sun'}->values())
+enddef
+
 def Test_win_execute()
   assert_equal("\n" .. winnr(), win_execute(win_getid(), 'echo winnr()'))
   assert_equal('', win_execute(342343, 'echo winnr()'))
 enddef
 
+def Test_win_findbuf()
+  CheckDefFailure(['win_findbuf("a")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  assert_equal([], win_findbuf(1000))
+  assert_equal([win_getid()], win_findbuf(bufnr('')))
+enddef
+
+def Test_win_getid()
+  CheckDefFailure(['win_getid(".")'], 'E1013: Argument 1: type mismatch, expected number but got string')
+  CheckDefFailure(['win_getid(1, ".")'], 'E1013: Argument 2: type mismatch, expected number but got string')
+  assert_equal(win_getid(), win_getid(1, 1))
+enddef
+
 def Test_win_splitmove()
   split
   win_splitmove(1, 2, {vertical: true, rightbelow: true})
   close
 enddef
 
+def Test_winnr()
+  CheckDefFailure(['winnr([])'], 'E1013: Argument 1: type mismatch, expected string but got list<unknown>')
+  assert_equal(1, winnr())
+  assert_equal(1, winnr('$'))
+enddef
+
 def Test_winrestcmd()
   split
   var cmd = winrestcmd()
@@ -1528,6 +1976,14 @@ def Test_winrestcmd()
   close
 enddef
 
+def Test_winrestview()
+  CheckDefFailure(['winrestview([])'], 'E1013: Argument 1: type mismatch, expected dict<any> but got list<unknown>')
+  :%d _
+  setline(1, 'Hello World')
+  winrestview({lnum: 1, col: 6})
+  assert_equal([1, 7], [line('.'), col('.')])
+enddef
+
 def Test_winsaveview()
   var view: dict<number> = winsaveview()
 

src/testdir/test_vim9_expr.vim

@@ -57,7 +57,7 @@ def Test_expr1_trinary()
       assert_equal(function('len'), Res)
 
       var RetOne: func(string): number = function('len')
-      var RetTwo: func(string): number = function('winnr')
+      var RetTwo: func(string): number = function('charcol')
       var RetThat: func = g:atrue ? RetOne : RetTwo
       assert_equal(function('len'), RetThat)
 
@@ -2970,13 +2970,6 @@ def Test_expr7_method_call()
   END
   CheckDefAndScriptSuccess(lines)
 
-  lines =<< trim END
-    def RetVoid()
-    enddef
-    RetVoid()->byte2line()
-  END
-  CheckDefExecAndScriptFailure(lines, 'E1031:')
-
   lines =<< trim END
     def RetVoid()
     enddef

src/testdir/test_vim9_func.vim

@@ -452,6 +452,12 @@ def Test_call_default_args()
       MyDefaultThird('->', 'xx', v:none)->assert_equal('->xxbb')
       MyDefaultThird('->', v:none, 'yy')->assert_equal('->aayy')
       MyDefaultThird('->', 'xx', 'yy')->assert_equal('->xxyy')
+
+      def DefArg(mandatory: any, optional = mandatory): string
+        return mandatory .. optional
+      enddef
+      DefArg(1234)->assert_equal('12341234')
+      DefArg("ok")->assert_equal('okok')
   END
   CheckDefAndScriptSuccess(lines)
 
@@ -1024,7 +1030,7 @@ def Test_pass_legacy_lambda_to_def_func()
 
   lines =<< trim END
       vim9script
-      def g:TestFunc(f: func())
+      def g:TestFunc(f: func)
       enddef
       legacy call g:TestFunc({-> 0})
       delfunc g:TestFunc

src/testdir/test_vim9_script.vim

@@ -603,6 +603,15 @@ def Test_try_catch_throw()
   CheckScriptSuccess(lines)
   assert_match('E808: Number or Float required', g:caught)
   unlet g:caught
+
+  # missing catch and/or finally
+  lines =<< trim END
+      vim9script
+      try
+        echo 'something'
+      endtry
+  END
+  CheckScriptFailure(lines, 'E1032:')
 enddef
 
 def Test_try_in_catch()

src/testdir/test_visual.vim

@@ -2,6 +2,7 @@
 
 source shared.vim
 source check.vim
+source screendump.vim
 
 func Test_block_shift_multibyte()
   " Uses double-wide character.
@@ -1241,5 +1242,28 @@ func Test_visual_put_blockedit_zy_and_zp()
   bw!
 endfunc
 
+func Test_visual_block_with_virtualedit()
+  CheckScreendump
+
+  let lines =<< trim END
+    call setline(1, ['aaaaaa', 'bbbb', 'cc'])
+    set virtualedit=block
+    normal G
+  END
+  call writefile(lines, 'XTest_block')
+
+  let buf = RunVimInTerminal('-S XTest_block', {'rows': 8, 'cols': 50})
+  call term_sendkeys(buf, "\<C-V>gg$")
+  call VerifyScreenDump(buf, 'Test_visual_block_with_virtualedit', {})
+
+  call term_sendkeys(buf, "\<Esc>gg\<C-V>G$")
+  call VerifyScreenDump(buf, 'Test_visual_block_with_virtualedit2', {})
+
+  " clean up
+  call term_sendkeys(buf, "\<Esc>")
+  call StopVimInTerminal(buf)
+  call delete('XTest_block')
+endfunc
+
 
 " vim: shiftwidth=2 sts=2 expandtab

src/userfunc.c

@@ -5478,35 +5478,32 @@ find_var_in_scoped_ht(char_u *name, int no_autoload)
     int
 set_ref_in_previous_funccal(int copyID)
 {
-    int		abort = FALSE;
     funccall_T	*fc;
 
-    for (fc = previous_funccal; !abort && fc != NULL; fc = fc->caller)
+    for (fc = previous_funccal; fc != NULL; fc = fc->caller)
     {
 	fc->fc_copyID = copyID + 1;
-	abort = abort
-	    || set_ref_in_ht(&fc->l_vars.dv_hashtab, copyID + 1, NULL)
-	    || set_ref_in_ht(&fc->l_avars.dv_hashtab, copyID + 1, NULL)
-	    || set_ref_in_list_items(&fc->l_varlist, copyID + 1, NULL);
+	if (set_ref_in_ht(&fc->l_vars.dv_hashtab, copyID + 1, NULL)
+		|| set_ref_in_ht(&fc->l_avars.dv_hashtab, copyID + 1, NULL)
+		|| set_ref_in_list_items(&fc->l_varlist, copyID + 1, NULL))
+	    return TRUE;
     }
-    return abort;
+    return FALSE;
 }
 
     static int
 set_ref_in_funccal(funccall_T *fc, int copyID)
 {
-    int abort = FALSE;
-
     if (fc->fc_copyID != copyID)
     {
 	fc->fc_copyID = copyID;
-	abort = abort
-	    || set_ref_in_ht(&fc->l_vars.dv_hashtab, copyID, NULL)
-	    || set_ref_in_ht(&fc->l_avars.dv_hashtab, copyID, NULL)
-	    || set_ref_in_list_items(&fc->l_varlist, copyID, NULL)
-	    || set_ref_in_func(NULL, fc->func, copyID);
+	if (set_ref_in_ht(&fc->l_vars.dv_hashtab, copyID, NULL)
+		|| set_ref_in_ht(&fc->l_avars.dv_hashtab, copyID, NULL)
+		|| set_ref_in_list_items(&fc->l_varlist, copyID, NULL)
+		|| set_ref_in_func(NULL, fc->func, copyID))
+	    return TRUE;
     }
-    return abort;
+    return FALSE;
 }
 
 /*
@@ -5515,19 +5512,19 @@ set_ref_in_funccal(funccall_T *fc, int copyID)
     int
 set_ref_in_call_stack(int copyID)
 {
-    int			abort = FALSE;
     funccall_T		*fc;
     funccal_entry_T	*entry;
 
-    for (fc = current_funccal; !abort && fc != NULL; fc = fc->caller)
-	abort = abort || set_ref_in_funccal(fc, copyID);
+    for (fc = current_funccal; fc != NULL; fc = fc->caller)
+	if (set_ref_in_funccal(fc, copyID))
+	    return TRUE;
 
     // Also go through the funccal_stack.
-    for (entry = funccal_stack; !abort && entry != NULL; entry = entry->next)
-	for (fc = entry->top_funccal; !abort && fc != NULL; fc = fc->caller)
-	    abort = abort || set_ref_in_funccal(fc, copyID);
-
-    return abort;
+    for (entry = funccal_stack; entry != NULL; entry = entry->next)
+	for (fc = entry->top_funccal; fc != NULL; fc = fc->caller)
+	    if (set_ref_in_funccal(fc, copyID))
+		return TRUE;
+    return FALSE;
 }
 
 /*
@@ -5538,7 +5535,6 @@ set_ref_in_functions(int copyID)
 {
     int		todo;
     hashitem_T	*hi = NULL;
-    int		abort = FALSE;
     ufunc_T	*fp;
 
     todo = (int)func_hashtab.ht_used;
@@ -5548,11 +5544,12 @@ set_ref_in_functions(int copyID)
 	{
 	    --todo;
 	    fp = HI2UF(hi);
-	    if (!func_name_refcount(fp->uf_name))
-		abort = abort || set_ref_in_func(NULL, fp, copyID);
+	    if (!func_name_refcount(fp->uf_name)
+					  && set_ref_in_func(NULL, fp, copyID))
+		return TRUE;
 	}
     }
-    return abort;
+    return FALSE;
 }
 
 /*
@@ -5562,12 +5559,12 @@ set_ref_in_functions(int copyID)
 set_ref_in_func_args(int copyID)
 {
     int i;
-    int abort = FALSE;
 
     for (i = 0; i < funcargs.ga_len; ++i)
-	abort = abort || set_ref_in_item(((typval_T **)funcargs.ga_data)[i],
-							  copyID, NULL, NULL);
-    return abort;
+	if (set_ref_in_item(((typval_T **)funcargs.ga_data)[i],
+							  copyID, NULL, NULL))
+	    return TRUE;
+    return FALSE;
 }
 
 /*

src/version.c

@@ -755,6 +755,52 @@ static char *(features[]) =
 
 static int included_patches[] =
 {   /* Add new patch number below this line */
+/**/
+    3103,
+/**/
+    3102,
+/**/
+    3101,
+/**/
+    3100,
+/**/
+    3099,
+/**/
+    3098,
+/**/
+    3097,
+/**/
+    3096,
+/**/
+    3095,
+/**/
+    3094,
+/**/
+    3093,
+/**/
+    3092,
+/**/
+    3091,
+/**/
+    3090,
+/**/
+    3089,
+/**/
+    3088,
+/**/
+    3087,
+/**/
+    3086,
+/**/
+    3085,
+/**/
+    3084,
+/**/
+    3083,
+/**/
+    3082,
+/**/
+    3081,
 /**/
     3080,
 /**/

src/vim9compile.c

@@ -274,7 +274,7 @@ arg_exists(
 
     if (len == 0)
 	return FAIL;
-    for (idx = 0; idx < cctx->ctx_ufunc->uf_args.ga_len; ++idx)
+    for (idx = 0; idx < cctx->ctx_ufunc->uf_args_visible; ++idx)
     {
 	char_u *arg = FUNCARG(cctx->ctx_ufunc, idx);
 
@@ -7747,6 +7747,7 @@ compile_for(char_u *arg_start, cctx_T *cctx)
     type_T	*vartype;
     type_T	*item_type = &t_any;
     int		idx;
+    int		prev_lnum = cctx->ctx_prev_lnum;
 
     p = skip_var_list(arg_start, TRUE, &var_count, &semicolon, FALSE);
     if (p == NULL)
@@ -7774,7 +7775,11 @@ compile_for(char_u *arg_start, cctx_T *cctx)
     if (cctx->ctx_compile_type == CT_DEBUG && instr->ga_len > 0
 	    && ((isn_T *)instr->ga_data)[instr->ga_len - 1]
 							.isn_type == ISN_DEBUG)
+    {
 	--instr->ga_len;
+	prev_lnum = ((isn_T *)instr->ga_data)[instr->ga_len]
+						 .isn_arg.debug.dbg_break_lnum;
+    }
 
     scope = new_scope(cctx, FOR_SCOPE);
     if (scope == NULL)
@@ -7934,8 +7939,15 @@ compile_for(char_u *arg_start, cctx_T *cctx)
     }
 
     if (cctx->ctx_compile_type == CT_DEBUG)
+    {
+	int save_prev_lnum = cctx->ctx_prev_lnum;
+
 	// Add ISN_DEBUG here, so that the loop variables can be inspected.
+	// Use the prev_lnum from the ISN_DEBUG instruction removed above.
+	cctx->ctx_prev_lnum = prev_lnum;
 	generate_instr_debug(cctx);
+	cctx->ctx_prev_lnum = save_prev_lnum;
+    }
 
     return arg_end;
 
@@ -9160,7 +9172,6 @@ compile_def_function(
     {
 	int	count = ufunc->uf_def_args.ga_len;
 	int	first_def_arg = ufunc->uf_args.ga_len - count;
-	int	uf_args_len = ufunc->uf_args.ga_len;
 	int	i;
 	char_u	*arg;
 	int	off = STACK_FRAME_SIZE + (ufunc->uf_va_name != NULL ? 1 : 0);
@@ -9183,12 +9194,11 @@ compile_def_function(
 		goto erret;
 
 	    // Make sure later arguments are not found.
-	    ufunc->uf_args.ga_len = i;
+	    ufunc->uf_args_visible = arg_idx;
 
 	    arg = ((char_u **)(ufunc->uf_def_args.ga_data))[i];
 	    r = compile_expr0(&arg, &cctx);
 
-	    ufunc->uf_args.ga_len = uf_args_len;
 	    if (r == FAIL)
 		goto erret;
 
@@ -9218,6 +9228,7 @@ compile_def_function(
 	if (did_set_arg_type)
 	    set_function_type(ufunc);
     }
+    ufunc->uf_args_visible = ufunc->uf_args.ga_len;
 
     /*
      * Loop over all the lines of the function and generate instructions.

src/vim9type.c

@@ -260,6 +260,7 @@ typval2type_int(typval_T *tv, int copyID, garray_T *type_gap, int do_member)
     type_T  *type;
     type_T  *member_type = &t_any;
     int	    argcount = 0;
+    int	    min_argcount = 0;
 
     if (tv->v_type == VAR_NUMBER)
 	return &t_number;
@@ -337,8 +338,7 @@ typval2type_int(typval_T *tv, int copyID, garray_T *type_gap, int do_member)
 
 	    if (idx >= 0)
 	    {
-		// TODO: get actual arg count and types
-		argcount = -1;
+		internal_func_get_argcount(idx, &argcount, &min_argcount);
 		member_type = internal_func_ret_type(idx, 0, NULL);
 	    }
 	    else
@@ -364,6 +364,7 @@ typval2type_int(typval_T *tv, int copyID, garray_T *type_gap, int do_member)
 	return NULL;
     type->tt_type = tv->v_type;
     type->tt_argcount = argcount;
+    type->tt_min_argcount = min_argcount;
     type->tt_member = member_type;
 
     return type;
@@ -525,9 +526,9 @@ check_type(type_T *expected, type_T *actual, int give_msg, where_T where)
 		ret = check_type(expected->tt_member, actual->tt_member,
 								 FALSE, where);
 	    if (ret == OK && expected->tt_argcount != -1
-		    && actual->tt_argcount != -1
-		    && (actual->tt_argcount < expected->tt_min_argcount
-			|| actual->tt_argcount > expected->tt_argcount))
+		    && (actual->tt_argcount == -1
+			|| (actual->tt_argcount < expected->tt_min_argcount
+			    || actual->tt_argcount > expected->tt_argcount)))
 		ret = FAIL;
 	    if (ret == OK && expected->tt_args != NULL
 						    && actual->tt_args != NULL)
@@ -1032,7 +1033,10 @@ common_type(type_T *type1, type_T *type2, type_T **dest, garray_T *type_gap)
 		}
 	    }
 	    else
+		// Use -1 for "tt_argcount" to indicate an unknown number of
+		// arguments.
 		*dest = alloc_func_type(common, -1, type_gap);
+
 	    // Use the minimum of min_argcount.
 	    (*dest)->tt_min_argcount =
 			type1->tt_min_argcount < type2->tt_min_argcount