Commit: runtime(mail): fix #13913 (#13917)

[Christian Brabandt]

runtime(mail): fix #13913 (#13917)

Commit: https://github.com/vim/vim/commit/046a0f75d025783a141b85b9e85a34559fd8cf63
Author: gi1242 <gi1242...@gmail.com>
Date: Thu Jan 25 13:52:47 2024 -0500

runtime(mail): fix https://github.com/vim/vim/issues/13913 (https://github.com/vim/vim/issues/13917)

switch to the DFA engine for the emoji collaction range

Co-authored-by: GI <gi124...@gmail.com>
Signed-off-by: GI <gi1...@gmail.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/syntax/mail.vim b/runtime/syntax/mail.vim
index 74b45c252..9beeba69e 100644
--- a/runtime/syntax/mail.vim
+++ b/runtime/syntax/mail.vim
@@ -2,7 +2,7 @@
" Language: Mail file
" Previous Maintainer: Felix von Leitner <lei...@math.fu-berlin.de>
" Maintainer: GI <a@b.c>, where a='gi1242+vim', b='gmail', c='com'
-" Last Change: Thu 18 Jan 2024 06:34:38 PM EST
+" Last Change: Thu 25 Jan 2024 10:34:02 AM EST

" Quit when a syntax file was already loaded
if exists("b:current_syntax")
@@ -64,7 +64,7 @@ syn match mailURL contains=@NoSpell ` <(((https?|ftp|gopher)://|(mailto|file|ne
syn match mailEmail contains=@NoSpell " [_=a-z\./+0-9-]+\@[a-z0-9._-]+ {2}"

" Don't spell emojis
-syn match mailEmoji contains=@NoSpell " [\U1f300-\U1f64f\U1f900-\U1f9ff]"
+syn match mailEmoji contains=@NoSpell "\%#=2 [\U1f300-\U1f64f\U1f900-\U1f9ff]"

" Make sure quote markers in regions (header / signature) have correct color
syn match mailQuoteExp1 contained " ^(\> ?)"