From 48f59577c8fa68d85ac73bfd9f257d606c4660b5 Mon Sep 17 00:00:00 2001
From: Adam Stankiewicz <sheerun@sher.pl>
Date: Fri, 4 Sep 2020 12:11:55 +0200
Subject: Switch to neovim version of help filetype, fixes #536

---
 syntax/help.vim | 26 +++++++++-----------------
 1 file changed, 9 insertions(+), 17 deletions(-)

(limited to 'syntax/help.vim')

diff --git a/syntax/help.vim b/syntax/help.vim
index aca620ee..a031e48e 100644
--- a/syntax/help.vim
+++ b/syntax/help.vim
@@ -3,7 +3,7 @@ if !exists('g:polyglot_disabled') || index(g:polyglot_disabled, 'help') == -1
 " Vim syntax file
 " Language:	Vim help file
 " Maintainer:	Bram Moolenaar (Bram@vim.org)
-" Last Change:	2020 Jul 28
+" Last Change:	2019 May 12
 
 " Quit when a (custom) syntax file was already loaded
 if exists("b:current_syntax")
@@ -13,7 +13,7 @@ endif
 let s:cpo_save = &cpo
 set cpo&vim
 
-syn match helpHeadline		"^[-A-Z .][-A-Z0-9 .()_]*\ze\(\s\+\*\|$\)"
+syn match helpHeadline		"^[-A-Z .][-A-Z0-9 .()_]*[ \t]\+\*"me=e-1
 syn match helpSectionDelim	"^===.*===$"
 syn match helpSectionDelim	"^---.*--$"
 if has("conceal")
@@ -21,15 +21,9 @@ if has("conceal")
 else
   syn region helpExample	matchgroup=helpIgnore start=" >$" start="^>$" end="^[^ \t]"me=e-1 end="^<"
 endif
-if has("ebcdic")
-  syn match helpHyperTextJump	"\\\@<!|[^"*|]\+|" contains=helpBar
-  syn match helpHyperTextEntry	"\*[^"*|]\+\*\s"he=e-1 contains=helpStar
-  syn match helpHyperTextEntry	"\*[^"*|]\+\*$" contains=helpStar
-else
-  syn match helpHyperTextJump	"\\\@<!|[#-)!+-~]\+|" contains=helpBar
-  syn match helpHyperTextEntry	"\*[#-)!+-~]\+\*\s"he=e-1 contains=helpStar
-  syn match helpHyperTextEntry	"\*[#-)!+-~]\+\*$" contains=helpStar
-endif
+syn match helpHyperTextJump	"\\\@<!|[#-)!+-~]\+|" contains=helpBar
+syn match helpHyperTextEntry	"\*[#-)!+-~]\+\*\s"he=e-1 contains=helpStar
+syn match helpHyperTextEntry	"\*[#-)!+-~]\+\*$" contains=helpStar
 if has("conceal")
   syn match helpBar		contained "|" conceal
   syn match helpBacktick	contained "`" conceal
@@ -44,6 +38,7 @@ syn match helpNormal		"|||"
 syn match helpNormal		":|vim:|"	" for :help modeline
 syn match helpVim		"\<Vim version [0-9][0-9.a-z]*"
 syn match helpVim		"VIM REFERENCE.*"
+syn match helpVim		"NVIM REFERENCE.*"
 syn match helpOption		"'[a-z]\{2,\}'"
 syn match helpOption		"'t_..'"
 syn match helpCommand		"`[^` \t]\+`"hs=s+1,he=e-1 contains=helpBacktick
@@ -68,7 +63,7 @@ syn match helpSpecial		"\[N]"
 syn match helpSpecial		"N  N"he=s+1
 syn match helpSpecial		"Nth"me=e-2
 syn match helpSpecial		"N-1"me=e-2
-syn match helpSpecial		"{[-a-zA-Z0-9'"*+/:%#=[\]<>.,]\+}"
+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]-.>"
@@ -92,15 +87,14 @@ syn match helpSpecial		"\[group]"
 syn match helpNormal		"\[\(readonly\|fifo\|socket\|converted\|crypted\)]"
 
 syn match helpSpecial		"CTRL-."
-syn match helpSpecial		"CTRL-SHIFT-."
 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
+syn match helpSpecial		"META-."
+syn match helpSpecial		"ALT-."
 
 " Highlight group items in their own color.
 syn match helpComment		"\t[* ]Comment\t\+[a-z].*"
@@ -154,7 +148,6 @@ if v:lang =~ '\<IT\>' || v:lang =~ '_IT\>' || v:lang =~? "italian"
   syn match helpSpecial		"Nmi"me=e-2
   syn match helpSpecial		"Nmo"me=e-2
   syn match helpSpecial		"\[interv.]"
-  syn region helpNotVi		start="{non" start="{solo" start="{disponibile" end="}" contains=helpLeadBlank,helpHyperTextJump
 endif
 
 syn sync minlines=40
@@ -175,7 +168,6 @@ hi def link helpVim		Identifier
 hi def link helpCommand		Comment
 hi def link helpExample		Comment
 hi def link helpOption		Type
-hi def link helpNotVi		Special
 hi def link helpSpecial		Special
 hi def link helpNote		Todo
 hi def link helpWarning		Todo
-- 
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