vim-patch:4700398e384f (#16538)

Update runtime files
https://github.com/vim/vim/commit/4700398e384f38f752b432e187462f404b96847d

partial skip:
doc/sign.txt
doc/various.txt
doc/motion.txt

13 files changed, 143 insertions, 62 deletions

diff --git a/runtime/autoload/dist/ft.vim b/runtime/autoload/dist/ft.vim
index 74df871544..a3db4ae87a 100644
--- a/runtime/autoload/dist/ft.vim
+++ b/runtime/autoload/dist/ft.vim
@@ -1,7 +1,7 @@
 " Vim functions for file type detection
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2020 Aug 17
+" Last Change:	2021 Nov 27
 
 " These functions are moved here from runtime/filetype.vim to make startup
 " faster.
diff --git a/runtime/doc/cmdline.txt b/runtime/doc/cmdline.txt
index 6b46ac9cf2..7716af25bd 100644
--- a/runtime/doc/cmdline.txt
+++ b/runtime/doc/cmdline.txt
@@ -863,9 +863,11 @@ Note: these are typed literally, they are not special keys!
 							*:<amatch>* *<amatch>*
 	<amatch>   When executing autocommands, is replaced with the match for
 		   which this autocommand was executed.  *E497*
-		   It differs from <afile> only when the file name isn't used
-		   to match with (for FileType, Syntax and SpellFileMissing
+		   It differs from <afile> when the file name isn't used to
+		   match with (for FileType, Syntax and SpellFileMissing
 		   events).
+		   When the match is with a file name, it is expanded to the
+ 		   full path.
 							*:<sfile>* *<sfile>*
 	<sfile>    When executing a ":source" command, is replaced with the
 		   file name of the sourced file.  *E498*
diff --git a/runtime/doc/options.txt b/runtime/doc/options.txt
index 038808b760..47633c750c 100644
--- a/runtime/doc/options.txt
+++ b/runtime/doc/options.txt
@@ -684,9 +684,12 @@ A jump table for the options with a short description can be found at |Q_op|.
 'autowrite' 'aw'	boolean	(default off)
 			global
 	Write the contents of the file, if it has been modified, on each
-	:next, :rewind, :last, :first, :previous, :stop, :suspend, :tag, :!,
-	:make, CTRL-] and CTRL-^ command; and when a :buffer, CTRL-O, CTRL-I,
-	'{A-Z0-9}, or `{A-Z0-9} command takes one to another file.
+	`:next`, `:rewind`, `:last`, `:first`, `:previous`, `:stop`,
+	`:suspend`, `:tag`, `:!`, `:make`, CTRL-] and CTRL-^ command; and when
+	a :buffer, CTRL-O, CTRL-I, '{A-Z0-9}, or `{A-Z0-9} command takes one
+	to another file.
+	A buffer is not written if it becomes hidden, e.g. when 'bufhidden' is
+	set to "hide" and `:next` is used
 	Note that for some commands the 'autowrite' option is not used, see
 	'autowriteall' for that.
 	Some buffers will not be written, specifically when 'buftype' is
diff --git a/runtime/doc/quickfix.txt b/runtime/doc/quickfix.txt
index 9c1f584415..ba1da209f7 100644
--- a/runtime/doc/quickfix.txt
+++ b/runtime/doc/quickfix.txt
@@ -837,9 +837,9 @@ lists.  They set one of the existing error lists as the current one.
 						*:chistory* *:chi*
 :[count]chi[story]	Show the list of error lists.  The current list is
 			marked with ">".  The output looks like:
-				  error list 1 of 3; 43 errors ~
-				> error list 2 of 3; 0 errors ~
-				  error list 3 of 3; 15 errors ~
+			  error list 1 of 3; 43 errors   :make  ~
+			> error list 2 of 3; 0 errors    :helpgrep tag  ~
+			  error list 3 of 3; 15 errors   :grep ex_help *.c ~
 
 			When [count] is given, then the count'th quickfix
 			list is made the current list. Example: >
diff --git a/runtime/doc/sign.txt b/runtime/doc/sign.txt
index 5079d900c9..c28e9b90ea 100644
--- a/runtime/doc/sign.txt
+++ b/runtime/doc/sign.txt
@@ -416,11 +416,12 @@ sign_getdefined([{name}])				*sign_getdefined()*
 		following entries:
 		   icon		full path to the bitmap file of the sign
 		   linehl	highlight group used for the whole line the
-				sign is placed in.
+				sign is placed in; not present if not set.
 		   name		name of the sign
 		   text		text that is displayed when there is no icon
 				or the GUI is not being used.
-		   texthl	highlight group used for the text item
+		   texthl	highlight group used for the text item; not
+				present if not set.
 		   numhl	highlight group used for 'number' column at the
 				associated line. Overrides |hl-LineNr|,
 				|hl-CursorLineNr|.
diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 72f08c37ca..b57b8bfd5c 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -3161,6 +3161,14 @@ buffer by buffer basis.
 For more detailed instructions see |ft_sql.txt|.
 
 
+SQUIRREL				*squirrel.vim* *ft-squirrel-syntax*
+
+Squirrel is a high level imperative, object-oriented programming language,
+designed to be a light-weight scripting language that fits in the size, memory
+bandwidth, and real-time requirements of applications like video games.  Files
+with the following extensions are recognized as squirrel files: .nut.
+
+
 TCSH						*tcsh.vim* *ft-tcsh-syntax*
 
 This covers the shell named "tcsh".  It is a superset of csh.  See |csh.vim|
diff --git a/runtime/filetype.vim b/runtime/filetype.vim
index f0285c09d0..e1c917ac64 100644
--- a/runtime/filetype.vim
+++ b/runtime/filetype.vim
@@ -1,7 +1,7 @@
 " Vim support file to detect file types
 "
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Nov 16
+" Last Change:	2021 Dec 03
 
 " Listen very carefully, I will say this only once
 if exists("did_load_filetypes")
diff --git a/runtime/indent/vim.vim b/runtime/indent/vim.vim
index a98c75e541..7c03ff2873 100644
--- a/runtime/indent/vim.vim
+++ b/runtime/indent/vim.vim
@@ -1,7 +1,7 @@
 " Vim indent file
 " Language:	Vim script
 " Maintainer:	Bram Moolenaar <Bram@vim.org>
-" Last Change:	2021 Nov 03
+" Last Change:	2021 Nov 27
 
 " Only load this indent file when no other was loaded.
 if exists("b:did_indent")
@@ -12,6 +12,7 @@ let b:did_indent = 1
 setlocal indentexpr=GetVimIndent()
 setlocal indentkeys+==end,=},=else,=cat,=finall,=END,0\\,0=\"\\\ 
 setlocal indentkeys-=0#
+setlocal indentkeys-=:
 
 let b:undo_indent = "setl indentkeys< indentexpr<"
 
diff --git a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
index 4a58bee8ce..67d91360d8 100644
--- a/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
+++ b/runtime/pack/dist/opt/termdebug/plugin/termdebug.vim
@@ -2,7 +2,7 @@
 "
 " Author: Bram Moolenaar
 " Copyright: Vim license applies, see ":help license"
-" Last Change: 2021 Nov 27
+" Last Change: 2021 Nov 29
 "
 " WORK IN PROGRESS - Only the basics work
 " Note: On MS-Windows you need a recent version of gdb.  The one included with
@@ -485,7 +485,7 @@ func s:StartDebugCommon(dict)
   " Run the command if the bang attribute was given and got to the debug
   " window.
   if get(a:dict, 'bang', 0)
-    call s:SendCommand('-exec-run')
+    call s:SendResumingCommand('-exec-run')
     call win_gotoid(s:ptywin)
   endif
 endfunc
@@ -524,9 +524,14 @@ func TermDebugSendCommand(cmd)
   endif
 endfunc
 
-" Send a command only when stopped.  Used for :Next and :Step.
-func s:SendCommandIfStopped(cmd)
+" Send a command that resumes the program.  If the program isn't stopped the
+" command is not sent (to avoid a repeated command to cause trouble).
+" If the command is sent then reset s:stopped.
+func s:SendResumingCommand(cmd)
   if s:stopped
+    " reset s:stopped here, it may take a bit of time before we get a response
+    let s:stopped = 0
+    " call ch_log('assume that program is running after this command')
     call s:SendCommand(a:cmd)
   " else
     " call ch_log('dropping command, program is running: ' . a:cmd)
@@ -815,11 +820,11 @@ func s:InstallCommands()
 
   command -nargs=? Break call s:SetBreakpoint(<q-args>)
   command Clear call s:ClearBreakpoint()
-  command Step call s:SendCommandIfStopped('-exec-step')
-  command Over call s:SendCommandIfStopped('-exec-next')
-  command Finish call s:SendCommandIfStopped('-exec-finish')
+  command Step call s:SendResumingCommand('-exec-step')
+  command Over call s:SendResumingCommand('-exec-next')
+  command Finish call s:SendResumingCommand('-exec-finish')
   command -nargs=* Run call s:Run(<q-args>)
-  command -nargs=* Arguments call s:SendCommand('-exec-arguments ' . <q-args>)
+  command -nargs=* Arguments call s:SendResumingCommand('-exec-arguments ' . <q-args>)
 
   if s:way == 'prompt'
     command Stop call s:PromptInterrupt()
@@ -978,9 +983,9 @@ endfunc
 
 func s:Run(args)
   if a:args != ''
-    call s:SendCommand('-exec-arguments ' . a:args)
+    call s:SendResumingCommand('-exec-arguments ' . a:args)
   endif
-  call s:SendCommand('-exec-run')
+  call s:SendResumingCommand('-exec-run')
 endfunc
 
 func s:SendEval(expr)
diff --git a/runtime/syntax/django.vim b/runtime/syntax/django.vim
index d3ca4de0e2..76b47d2e59 100644
--- a/runtime/syntax/django.vim
+++ b/runtime/syntax/django.vim
@@ -1,7 +1,7 @@
 " Vim syntax file
 " Language:	Django template
 " Maintainer:	Dave Hodder <dmh@dmh.org.uk>
-" Last Change:	2014 Jul 13
+" Last Change:	2021 Nov 29
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
@@ -31,6 +31,7 @@ syn keyword djangoStatement contained closecomment widthratio url with endwith
 syn keyword djangoStatement contained get_current_language trans noop blocktrans
 syn keyword djangoStatement contained endblocktrans get_available_languages
 syn keyword djangoStatement contained get_current_language_bidi plural
+syn keyword djangoStatement contained translate blocktranslate endblocktranslate
 
 " Django templete built-in filters
 syn keyword djangoFilter contained add addslashes capfirst center cut date
diff --git a/runtime/syntax/squirrel.vim b/runtime/syntax/squirrel.vim
new file mode 100644
index 0000000000..81d59cc986
--- /dev/null
+++ b/runtime/syntax/squirrel.vim
@@ -0,0 +1,50 @@
+" Vim syntax file
+" Language: squirrel
+" Current Maintainer: Matt Dunford (zenmatic@gmail.com)
+" URL: https://github.com/zenmatic/vim-syntax-squirrel
+" Last Change:	2021 Nov 28
+
+" http://squirrel-lang.org/
+
+" quit when a syntax file was already loaded
+if exists("b:current_syntax")
+  finish
+endif
+
+" inform C syntax that the file was included from cpp.vim
+let b:filetype_in_cpp_family = 1
+
+" Read the C syntax to start with
+runtime! syntax/c.vim
+unlet b:current_syntax
+
+" squirrel extensions
+syn keyword squirrelStatement	delete this in yield resume base clone
+syn keyword squirrelAccess	local
+syn keyword cConstant           null
+syn keyword squirrelModifier	static
+syn keyword squirrelType	bool instanceof typeof
+syn keyword squirrelExceptions	throw try catch
+syn keyword squirrelStructure	class function extends constructor
+syn keyword squirrelBoolean	true false
+syn keyword squirrelRepeat	foreach
+
+syn region squirrelMultiString start='@"' end='"$' end='";$'me=e-1
+
+syn match squirrelShComment "^\s*#.*$"
+
+" Default highlighting
+hi def link squirrelAccess		squirrelStatement
+hi def link squirrelExceptions		Exception
+hi def link squirrelStatement		Statement
+hi def link squirrelModifier		Type
+hi def link squirrelType		Type
+hi def link squirrelStructure		Structure
+hi def link squirrelBoolean		Boolean
+hi def link squirrelMultiString		String
+hi def link squirrelRepeat		cRepeat
+hi def link squirrelShComment		Comment
+
+let b:current_syntax = "squirrel"
+
+" vim: ts=8
diff --git a/runtime/syntax/vb.vim b/runtime/syntax/vb.vim
index 8ddb1efac3..607f6130ba 100644
--- a/runtime/syntax/vb.vim
+++ b/runtime/syntax/vb.vim
@@ -1,9 +1,11 @@
 " Vim syntax file
-" Language:	Visual Basic
-" Maintainer:	Tim Chase <vb.vim@tim.thechases.com>
-" Former Maintainer:	Robert M. Cortopassi <cortopar@mindspring.com>
-"	(tried multiple times to contact, but email bounced)
+" Language:     Visual Basic
+" Maintainer:   Doug Kearns <dougkearns@gmail.com>
+" Former Maintainer:    Tim Chase <vb.vim@tim.thechases.com>
+" Former Maintainer:    Robert M. Cortopassi <cortopar@mindspring.com>
+"       (tried multiple times to contact, but email bounced)
 " Last Change:
+"   2021 Nov 26  Incorporated additions from Doug Kearns
 "   2005 May 25  Synched with work by Thomas Barthel
 "   2004 May 30  Added a few keywords
 
@@ -13,7 +15,7 @@
 
 " quit when a syntax file was already loaded
 if exists("b:current_syntax")
-	finish
+        finish
 endif
 
 " VB is case insensitive
@@ -233,7 +235,7 @@ syn keyword vbKeyword Public PublicNotCreateable OnNewProcessSingleUse
 syn keyword vbKeyword InSameProcessMultiUse GlobalMultiUse Resume Seek
 syn keyword vbKeyword Set Static Step String Time WithEvents
 
-syn keyword vbTodo contained	TODO
+syn keyword vbTodo contained    TODO
 
 "Datatypes
 syn keyword vbTypes Boolean Byte Currency Date Decimal Double Empty
@@ -319,46 +321,54 @@ syn match vbNumber "\<\d\+\>"
 syn match vbNumber "\<\d\+\.\d*\>"
 "floating point number, starting with a dot
 syn match vbNumber "\.\d\+\>"
-"syn match  vbNumber		"{[[:xdigit:]-]\+}\|&[hH][[:xdigit:]]\+&"
-"syn match  vbNumber		":[[:xdigit:]]\+"
-"syn match  vbNumber		"[-+]\=\<\d\+\>"
-syn match  vbFloat		"[-+]\=\<\d\+[eE][\-+]\=\d\+"
-syn match  vbFloat		"[-+]\=\<\d\+\.\d*\([eE][\-+]\=\d\+\)\="
-syn match  vbFloat		"[-+]\=\<\.\d\+\([eE][\-+]\=\d\+\)\="
+"syn match  vbNumber            "{[[:xdigit:]-]\+}\|&[hH][[:xdigit:]]\+&"
+"syn match  vbNumber            ":[[:xdigit:]]\+"
+"syn match  vbNumber            "[-+]\=\<\d\+\>"
+syn match  vbFloat              "[-+]\=\<\d\+[eE][\-+]\=\d\+"
+syn match  vbFloat              "[-+]\=\<\d\+\.\d*\([eE][\-+]\=\d\+\)\="
+syn match  vbFloat              "[-+]\=\<\.\d\+\([eE][\-+]\=\d\+\)\="
 
-" String and Character contstants
+" String and Character constants
 syn region  vbString		start=+"+  end=+"\|$+
 syn region  vbComment		start="\(^\|\s\)REM\s" end="$" contains=vbTodo
 syn region  vbComment		start="\(^\|\s\)\'"   end="$" contains=vbTodo
-syn match   vbLineNumber	"^\d\+\(\s\|$\)"
-syn match   vbTypeSpecifier  "[a-zA-Z0-9][\$%&!#]"ms=s+1
+syn match   vbLineLabel		"^\h\w\+:"
+syn match   vbLineNumber	"^\d\+\(:\|\s\|$\)"
+syn match   vbTypeSpecifier  "\<\a\w*[@\$%&!#]"ms=s+1
 syn match   vbTypeSpecifier  "#[a-zA-Z0-9]"me=e-1
+" Conditional Compilation
+syn match  vbPreProc "^#const\>"
+syn region vbPreProc matchgroup=PreProc start="^#if\>"     end="\<then\>" transparent contains=TOP
+syn region vbPreProc matchgroup=PreProc start="^#elseif\>" end="\<then\>" transparent contains=TOP
+syn match  vbPreProc "^#else\>"
+syn match  vbPreProc "^#end\s*if\>"
 
 " Define the default highlighting.
 " Only when an item doesn't have highlighting yet
 
-hi def link vbBoolean		Boolean
-hi def link vbLineNumber		Comment
-hi def link vbComment		Comment
-hi def link vbConditional	Conditional
-hi def link vbConst			Constant
-hi def link vbDefine			Constant
-hi def link vbError			Error
-hi def link vbFunction		Identifier
-hi def link vbIdentifier		Identifier
-hi def link vbNumber			Number
-hi def link vbFloat			Float
-hi def link vbMethods		PreProc
-hi def link vbOperator		Operator
-hi def link vbRepeat			Repeat
-hi def link vbString			String
-hi def link vbStatement		Statement
-hi def link vbKeyword		Statement
-hi def link vbEvents			Special
-hi def link vbTodo			Todo
-hi def link vbTypes			Type
-hi def link vbTypeSpecifier	Type
-
+hi def link vbBoolean           Boolean
+hi def link vbLineNumber        Comment
+hi def link vbLineLabel         Comment
+hi def link vbComment           Comment
+hi def link vbConditional       Conditional
+hi def link vbConst             Constant
+hi def link vbDefine            Constant
+hi def link vbError             Error
+hi def link vbFunction          Identifier
+hi def link vbIdentifier        Identifier
+hi def link vbNumber            Number
+hi def link vbFloat             Float
+hi def link vbMethods           PreProc
+hi def link vbOperator          Operator
+hi def link vbRepeat            Repeat
+hi def link vbString            String
+hi def link vbStatement         Statement
+hi def link vbKeyword           Statement
+hi def link vbEvents            Special
+hi def link vbTodo              Todo
+hi def link vbTypes             Type
+hi def link vbTypeSpecifier     Type
+hi def link vbPreProc           PreProc
 
 let b:current_syntax = "vb"
 
diff --git a/runtime/syntax/vim.vim b/runtime/syntax/vim.vim
index d0272916b9..41993b65b0 100644
--- a/runtime/syntax/vim.vim
+++ b/runtime/syntax/vim.vim
@@ -53,7 +53,7 @@ syn case ignore
 syn keyword vimGroup contained	Comment Constant String Character Number Boolean Float Identifier Function Statement Conditional Repeat Label Operator Keyword Exception PreProc Include Define Macro PreCondit Type StorageClass Structure Typedef Special SpecialChar Tag Delimiter SpecialComment Debug Underlined Ignore Error Todo 
 
 " Default highlighting groups {{{2
-syn keyword vimHLGroup contained	ColorColumn Cursor CursorColumn CursorIM CursorLine CursorLineNr DiffAdd DiffChange DiffDelete DiffText Directory EndOfBuffer ErrorMsg FoldColumn Folded IncSearch LineNr MatchParen Menu ModeMsg MoreMsg NonText Normal Pmenu PmenuSbar PmenuSel PmenuThumb Question QuickFixLine Scrollbar Search SignColumn SpecialKey SpellBad SpellCap SpellLocal SpellRare StatusLine StatusLineNC TabLine TabLineFill TabLineSel Title Tooltip VertSplit Visual WarningMsg WildMenu 
+syn keyword vimHLGroup contained	ColorColumn Cursor CursorColumn CursorIM CursorLine CursorLineFold CursorLineNr CursorLineSign DiffAdd DiffChange DiffDelete DiffText Directory EndOfBuffer ErrorMsg FoldColumn Folded IncSearch LineNr MatchParen Menu ModeMsg MoreMsg NonText Normal Pmenu PmenuSbar PmenuSel PmenuThumb Question QuickFixLine Scrollbar Search SignColumn SpecialKey SpellBad SpellCap SpellLocal SpellRare StatusLine StatusLineNC TabLine TabLineFill TabLineSel Title Tooltip VertSplit Visual WarningMsg WildMenu 
 syn match vimHLGroup contained	"Conceal"
 syn keyword vimOnlyHLGroup contained	LineNrAbove LineNrBelow StatusLineTerm Terminal VisualNOS
 syn keyword nvimHLGroup contained	Substitute TermCursor TermCursorNC