From e612a0a76a5c990220113e76ec6a07fe49c28618 Mon Sep 17 00:00:00 2001
From: Jan Edmund Lazo <jan.lazo@mail.utoronto.ca>
Date: Tue, 27 Apr 2021 21:48:38 -0400
Subject: vim-patch:d1caa941d876

Update runtime files
https://github.com/vim/vim/commit/d1caa941d876181aae0ebebc6ea954045bf0da24

Cherry-pick error E452 from patch v8.2.0486.
---
 runtime/syntax/rst.vim | 24 ++++++++++++++++++------
 1 file changed, 18 insertions(+), 6 deletions(-)

(limited to 'runtime/syntax/rst.vim')

diff --git a/runtime/syntax/rst.vim b/runtime/syntax/rst.vim
index c865cf6905..a90c90be21 100644
--- a/runtime/syntax/rst.vim
+++ b/runtime/syntax/rst.vim
@@ -1,9 +1,9 @@
-" Vim syntax file
+" Vim reST syntax file
 " Language: reStructuredText documentation format
 " Maintainer: Marshall Ward <marshall.ward@gmail.com>
 " Previous Maintainer: Nikolai Weibull <now@bitwi.se>
 " Website: https://github.com/marshallward/vim-restructuredtext
-" Latest Revision: 2018-12-29
+" Latest Revision: 2020-03-31
 
 if exists("b:current_syntax")
   finish
@@ -21,7 +21,7 @@ syn cluster rstCruft                contains=rstEmphasis,rstStrongEmphasis,
       \ rstInlineInternalTargets,rstFootnoteReference,rstHyperlinkReference
 
 syn region  rstLiteralBlock         matchgroup=rstDelimiter
-      \ start='::\_s*\n\ze\z(\s\+\)' skip='^$' end='^\z1\@!'
+      \ start='\(^\z(\s*\).*\)\@<=::\n\s*\n' skip='^\s*$' end='^\(\z1\s\+\)\@!'
       \ contains=@NoSpell
 
 syn region  rstQuotedLiteralBlock   matchgroup=rstDelimiter
@@ -90,16 +90,28 @@ execute 'syn match rstSubstitutionDefinition contained' .
       \ ' /|.*|\_s\+/ nextgroup=@rstDirectives'
 
 function! s:DefineOneInlineMarkup(name, start, middle, end, char_left, char_right)
+  " Only escape the first char of a multichar delimiter (e.g. \* inside **)
+  if a:start[0] == '\'
+    let first = a:start[0:1]
+  else
+    let first = a:start[0]
+  endif
+
+  execute 'syn match rstEscape'.a:name.' +\\\\\|\\'.first.'+'.' contained'
+
   execute 'syn region rst' . a:name .
         \ ' start=+' . a:char_left . '\zs' . a:start .
         \ '\ze[^[:space:]' . a:char_right . a:start[strlen(a:start) - 1] . ']+' .
         \ a:middle .
-        \ ' end=+\S' . a:end . '\ze\%($\|\s\|[''"’)\]}>/:.,;!?\\-]\)+'
+        \ ' end=+' . a:end . '\ze\%($\|\s\|[''"’)\]}>/:.,;!?\\-]\)+' .
+        \ ' contains=rstEscape' . a:name
+
+  execute 'hi def link rstEscape'.a:name.' Special'
 endfunction
 
 function! s:DefineInlineMarkup(name, start, middle, end)
   let middle = a:middle != "" ?
-        \ (' skip=+\\\\\|\\' . a:middle . '+') :
+        \ (' skip=+\\\\\|\\' . a:middle . '\|\s' . a:middle . '+') :
         \ ""
 
   call s:DefineOneInlineMarkup(a:name, a:start, middle, a:end, "'", "'")
@@ -161,7 +173,7 @@ syn match   rstStandaloneHyperlink  contains=@NoSpell
       \ "\<\%(\%(\%(https\=\|file\|ftp\|gopher\)://\|\%(mailto\|news\):\)[^[:space:]'\"<>]\+\|www[[:alnum:]_-]*\.[[:alnum:]_-]\+\.[^[:space:]'\"<>]\+\)[[:alnum:]/]"
 
 syn region rstCodeBlock contained matchgroup=rstDirective
-      \ start=+\%(sourcecode\|code\%(-block\)\=\)::\s\+.*\_s*\n\ze\z(\s\+\)+
+      \ start=+\%(sourcecode\|code\%(-block\)\=\)::\s*\(\S*\)\?\s*\n\%(\s*:.*:\s*.*\s*\n\)*\n\ze\z(\s\+\)+
       \ skip=+^$+
       \ end=+^\z1\@!+
       \ contains=@NoSpell
-- 
cgit