Commit: runtime(context): don't match math region if $ is escaped

[Christian Brabandt]

runtime(context): don't match math region if $ is escaped

Commit: https://github.com/vim/vim/commit/f716326eefb14fd4c913bafb5292741a8cfc06f6
Author: Lifepillar <lifep...@lifepillar.me>
Date: Sat Jun 13 14:51:34 2026 +0000

runtime(context): don't match math region if $ is escaped

closes: https://github.com/vim/vim/issues/20509

Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/syntax/context.vim b/runtime/syntax/context.vim
index 07b59c0fc..891d5c651 100644
--- a/runtime/syntax/context.vim
+++ b/runtime/syntax/context.vim
@@ -4,7 +4,7 @@ vim9script
# Language: ConTeXt typesetting engine
# Maintainer: Nicola Vitacolonna <nvitac...@gmail.com>
# Former Maintainers: Nikolai Weibull <n...@bitwi.se>
-# Latest Revision: 2026 Jan 10
+# Latest Revision: 2026 Jun 13

if exists("b:current_syntax")
finish
@@ -60,7 +60,7 @@ syn match contextSequence '\[a-zA-Z]*[@_!?]\+[a-zA-Z@_!?]*' contains=@NoSpe

# Math
syn match contextMathCmd '\m\%(ath\%(ematics\)\=\)\=\>'
-syn region contextInlineMath matchgroup=contextMathDelim start='\$' skip='\\\|\\$' end='\$'
+syn region contextInlineMath matchgroup=contextMathDelim start='[\]\@1<!\$' skip='\\\|\\$' end='[\]\@1<!\$'
syn region contextDisplayMath matchgroup=contextMathDelim start='\$\$' skip='\\\|\\$' end='\$\$' keepend
syn region contextDisplayMath matchgroup=contextBlockDelim start='\startformula' end='\stopformula' contains=TOP

@@ -117,27 +117,28 @@ syn match contextFont '\\%(Word\|WORD\|Words\|WORDS\)\>'
syn match contextFont '\\%(vi\{1,3}\|ix\|xi\{0,2}\)\>' contains=@NoSpell
syn match contextFont '\\%(tf\|b[si]\|s[cl]\|os\)\%(xx\|[xabcd]\)\=\>' contains=@NoSpell

-hi def link contextBlockDelim Keyword
-hi def link contextBuiltin Keyword
-hi def link contextCommand Keyword
-hi def link contextComment Comment
-hi def link contextDelimiter Delimiter
-hi def link contextDirectLua Keyword
-hi def link contextEscaped String
-hi def link contextFont contextType
-hi def link contextKeyword Keyword
-hi def link contextInlineMath String
-hi def link contextMagicLine PreProc
-hi def link contextMathCmd Identifier
-hi def link contextMathDelim Delimiter
-hi def link contextOptions Typedef
-hi def link contextPreProc PreProc
-hi def link contextSectioning PreProc
-hi def link contextSequence Identifier
-hi def link contextSpecial Special
-hi def link contextStyle contextType
-hi def link contextTodo Todo
-hi def link contextType Type
+hi def link contextBlockDelim Keyword
+hi def link contextBuiltin Keyword
+hi def link contextCommand Keyword
+hi def link contextComment Comment
+hi def link contextDelimiter Delimiter
+hi def link contextDirectLua Keyword
+hi def link contextDisplayMath String
+hi def link contextEscaped String
+hi def link contextFont contextType
+hi def link contextKeyword Keyword
+hi def link contextInlineMath String
+hi def link contextMagicLine PreProc
+hi def link contextMathCmd Identifier
+hi def link contextMathDelim Delimiter
+hi def link contextOptions Typedef
+hi def link contextPreProc PreProc
+hi def link contextSectioning PreProc
+hi def link contextSequence Identifier
+hi def link contextSpecial Special
+hi def link contextStyle contextType
+hi def link contextTodo Todo
+hi def link contextType Type

b:current_syntax = 'context'