new file mode 100644
--- /dev/null
+++ b/runtime/syntax/help.vim
@@ -0,0 +1,187 @@
+" Vim syntax file
+" Language:	Vim help file
+" Maintainer:	Bram Moolenaar (Bram@vim.org)
+" Last Change:	2004 May 17
+
+" For version 5.x: Clear all syntax items
+" For version 6.x: Quit when a syntax file was already loaded
+if version < 600
+  syntax clear
+elseif exists("b:current_syntax")
+  finish
+endif
+
+syn match helpHeadline		"^[A-Z ]\+[ ]\+\*"me=e-1
+syn match helpSectionDelim	"^=\{3,}.*===$"
+syn match helpSectionDelim	"^-\{3,}.*--$"
+syn region helpExample		matchgroup=helpIgnore start=" >$" start="^>$" end="^[^ \t]"me=e-1 end="^<"
+if has("ebcdic")
+  syn match helpHyperTextJump	"\\\@<!|[^"*|]\+|"
+  syn match helpHyperTextEntry	"\*[^"*|]\+\*\s"he=e-1
+  syn match helpHyperTextEntry	"\*[^"*|]\+\*$"
+else
+  syn match helpHyperTextJump	"\\\@<!|[#-)!+-~]\+|"
+  syn match helpHyperTextEntry	"\*[#-)!+-~]\+\*\s"he=e-1
+  syn match helpHyperTextEntry	"\*[#-)!+-~]\+\*$"
+endif
+syn match helpNormal		"|.*====*|"
+syn match helpNormal		":|vim:|"	" for :help modeline
+syn match helpVim		"Vim version [0-9.a-z]\+"
+syn match helpVim		"VIM REFERENCE.*"
+syn match helpOption		"'[a-z]\{2,\}'"
+syn match helpOption		"'t_..'"
+syn match helpHeader		"\s*\zs.\{-}\ze\s\=\~$" nextgroup=helpIgnore
+syn match helpIgnore		"." contained
+syn keyword helpNote		note Note NOTE note: Note: NOTE: Notes Notes:
+syn match helpSpecial		"\<N\>"
+syn match helpSpecial		"\<N\.$"me=e-1
+syn match helpSpecial		"\<N\.\s"me=e-2
+syn match helpSpecial		"(N\>"ms=s+1
+syn match helpSpecial		"\[N]"
+" avoid highlighting N  N in help.txt
+syn match helpSpecial		"N  N"he=s+1
+syn match helpSpecial		"Nth"me=e-2
+syn match helpSpecial		"N-1"me=e-2
+syn match helpSpecial		"{[-a-zA-Z0-9'":%#=[\]<>.,]\+}"
+syn match helpSpecial		"{[-a-zA-Z0-9'"*+/:%#=[\]<>.,]\+}"
+syn match helpSpecial		"\s\[[-a-z^A-Z0-9_]\{2,}]"ms=s+1
+syn match helpSpecial		"<[-a-zA-Z0-9_]\+>"
+syn match helpSpecial		"<[SCM]-.>"
+syn match helpNormal		"<---*>"
+syn match helpSpecial		"\[range]"
+syn match helpSpecial		"\[line]"
+syn match helpSpecial		"\[count]"
+syn match helpSpecial		"\[offset]"
+syn match helpSpecial		"\[cmd]"
+syn match helpSpecial		"\[num]"
+syn match helpSpecial		"\[+num]"
+syn match helpSpecial		"\[-num]"
+syn match helpSpecial		"\[+cmd]"
+syn match helpSpecial		"\[++opt]"
+syn match helpSpecial		"\[arg]"
+syn match helpSpecial		"\[arguments]"
+syn match helpSpecial		"\[ident]"
+syn match helpSpecial		"\[addr]"
+syn match helpSpecial		"\[group]"
+syn match helpSpecial		"CTRL-."
+syn match helpSpecial		"CTRL-Break"
+syn match helpSpecial		"CTRL-PageUp"
+syn match helpSpecial		"CTRL-PageDown"
+syn match helpSpecial		"CTRL-Insert"
+syn match helpSpecial		"CTRL-Del"
+syn match helpSpecial		"CTRL-{char}"
+syn region helpNotVi		start="{Vi[: ]" start="{not" start="{only" end="}" contains=helpLeadBlank,helpHyperTextJump
+syn match helpLeadBlank		"^\s\+" contained
+
+" Highlight group items in their own color.
+syn match helpComment		"\t[* ]Comment\t\+[a-z].*"
+syn match helpConstant		"\t[* ]Constant\t\+[a-z].*"
+syn match helpString		"\t[* ]String\t\+[a-z].*"
+syn match helpCharacter		"\t[* ]Character\t\+[a-z].*"
+syn match helpNumber		"\t[* ]Number\t\+[a-z].*"
+syn match helpBoolean		"\t[* ]Boolean\t\+[a-z].*"
+syn match helpFloat		"\t[* ]Float\t\+[a-z].*"
+syn match helpIdentifier	"\t[* ]Identifier\t\+[a-z].*"
+syn match helpFunction		"\t[* ]Function\t\+[a-z].*"
+syn match helpStatement		"\t[* ]Statement\t\+[a-z].*"
+syn match helpConditional	"\t[* ]Conditional\t\+[a-z].*"
+syn match helpRepeat		"\t[* ]Repeat\t\+[a-z].*"
+syn match helpLabel		"\t[* ]Label\t\+[a-z].*"
+syn match helpOperator		"\t[* ]Operator\t\+["a-z].*"
+syn match helpKeyword		"\t[* ]Keyword\t\+[a-z].*"
+syn match helpException		"\t[* ]Exception\t\+[a-z].*"
+syn match helpPreProc		"\t[* ]PreProc\t\+[a-z].*"
+syn match helpInclude		"\t[* ]Include\t\+[a-z].*"
+syn match helpDefine		"\t[* ]Define\t\+[a-z].*"
+syn match helpMacro		"\t[* ]Macro\t\+[a-z].*"
+syn match helpPreCondit		"\t[* ]PreCondit\t\+[a-z].*"
+syn match helpType		"\t[* ]Type\t\+[a-z].*"
+syn match helpStorageClass	"\t[* ]StorageClass\t\+[a-z].*"
+syn match helpStructure		"\t[* ]Structure\t\+[a-z].*"
+syn match helpTypedef		"\t[* ]Typedef\t\+[Aa-z].*"
+syn match helpSpecial		"\t[* ]Special\t\+[a-z].*"
+syn match helpSpecialChar	"\t[* ]SpecialChar\t\+[a-z].*"
+syn match helpTag		"\t[* ]Tag\t\+[a-z].*"
+syn match helpDelimiter		"\t[* ]Delimiter\t\+[a-z].*"
+syn match helpSpecialComment	"\t[* ]SpecialComment\t\+[a-z].*"
+syn match helpDebug		"\t[* ]Debug\t\+[a-z].*"
+syn match helpUnderlined	"\t[* ]Underlined\t\+[a-z].*"
+syn match helpError		"\t[* ]Error\t\+[a-z].*"
+syn match helpTodo		"\t[* ]Todo\t\+[a-z].*"
+
+
+" Additionally load a language-specific syntax file "help_ab.vim".
+let i = match(expand("%"), '\.\a\ax$')
+if i > 0
+  exe "runtime syntax/help_" . strpart(expand("%"), i + 1, 2) . ".vim"
+endif
+
+syn sync minlines=40
+
+
+" Define the default highlighting.
+" For version 5.7 and earlier: only when not done already
+" For version 5.8 and later: only when an item doesn't have highlighting yet
+if version >= 508 || !exists("did_help_syntax_inits")
+  if version < 508
+    let did_help_syntax_inits = 1
+    command -nargs=+ HiLink hi link <args>
+  else
+    command -nargs=+ HiLink hi def link <args>
+  endif
+
+  HiLink helpExampleStart	helpIgnore
+  HiLink helpIgnore		Ignore
+  HiLink helpHyperTextJump	Subtitle
+  HiLink helpHyperTextEntry	String
+  HiLink helpHeadline		Statement
+  HiLink helpHeader		PreProc
+  HiLink helpSectionDelim	PreProc
+  HiLink helpVim		Identifier
+  HiLink helpExample		Comment
+  HiLink helpOption		Type
+  HiLink helpNotVi		Special
+  HiLink helpSpecial		Special
+  HiLink helpNote		Todo
+  HiLink Subtitle		Identifier
+
+  HiLink helpComment		Comment
+  HiLink helpConstant		Constant
+  HiLink helpString		String
+  HiLink helpCharacter		Character
+  HiLink helpNumber		Number
+  HiLink helpBoolean		Boolean
+  HiLink helpFloat		Float
+  HiLink helpIdentifier		Identifier
+  HiLink helpFunction		Function
+  HiLink helpStatement		Statement
+  HiLink helpConditional	Conditional
+  HiLink helpRepeat		Repeat
+  HiLink helpLabel		Label
+  HiLink helpOperator		Operator
+  HiLink helpKeyword		Keyword
+  HiLink helpException		Exception
+  HiLink helpPreProc		PreProc
+  HiLink helpInclude		Include
+  HiLink helpDefine		Define
+  HiLink helpMacro		Macro
+  HiLink helpPreCondit		PreCondit
+  HiLink helpType		Type
+  HiLink helpStorageClass	StorageClass
+  HiLink helpStructure		Structure
+  HiLink helpTypedef		Typedef
+  HiLink helpSpecialChar	SpecialChar
+  HiLink helpTag		Tag
+  HiLink helpDelimiter		Delimiter
+  HiLink helpSpecialComment	SpecialComment
+  HiLink helpDebug		Debug
+  HiLink helpUnderlined		Underlined
+  HiLink helpError		Error
+  HiLink helpTodo		Todo
+
+  delcommand HiLink
+endif
+
+let b:current_syntax = "help"
+
+" vim: ts=8 sw=2