Commit: runtime(jjdescription): Don't require a space to start comments

[Christian Brabandt]

runtime(jjdescription): Don't require a space to start comments

Commit: https://github.com/vim/vim/commit/8f096845693fc7a170283ca5dcf8e13aea3ec273
Author: ash <a...@sorrel.sh>
Date: Thu Apr 17 20:44:58 2025 +0200

runtime(jjdescription): Don't require a space to start comments

Since jj v0.24.0 (December 2024), `JJ:` comments are recognised even
when not followed by a space.

closes: #17130

Signed-off-by: ash <a...@sorrel.sh>
Signed-off-by: Gregory Anders <gr...@gpanders.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/syntax/jjdescription.vim b/runtime/syntax/jjdescription.vim
index 04848bcb3..bd1c6f22f 100644
--- a/runtime/syntax/jjdescription.vim
+++ b/runtime/syntax/jjdescription.vim
@@ -2,6 +2,7 @@
" Language: jj description
" Maintainer: Gregory Anders <gr...@gpanders.com>
" Last Change: 2024 May 8
+" 2025 Apr 17 by Vim Project (don't require space to start comments, #17130)

if exists('b:current_syntax')
finish
@@ -11,7 +12,7 @@ syn match jjAdded "A .*" contained
syn match jjRemoved "D .*" contained
syn match jjChanged "M .*" contained

-syn region jjComment start="^JJ: " end="$" contains=jjAdded,jjRemoved,jjChanged
+syn region jjComment start="^JJ:" end="$" contains=jjAdded,jjRemoved,jjChanged

syn include @jjCommitDiff syntax/diff.vim
syn region jjCommitDiff start=/\%(^diff --\%(git\|cc\|combined\) \)\@=/ end=/^\%(diff --\|$\|@@\@!\|[^[:alnum:]\ +-]\S\@!\)\@=/ fold contains=@jjCommitDiff