Commit: runtime(doc): update Markdown syntax documentation and mention Pandoc

[Christian Brabandt]

runtime(doc): update Markdown syntax documentation and mention Pandoc

Commit: https://github.com/vim/vim/commit/c37f25c651722f118289c3e09e7ee5b905c57af4
Author: Mao-Yining <mao.y...@outlook.com>
Date: Sun Sep 14 04:28:23 2025 -0400

runtime(doc): update Markdown syntax documentation and mention Pandoc

fixes: https://github.com/vim/vim/issues/18286

Signed-off-by: Mao-Yining <mao.y...@outlook.com>
Signed-off-by: Christian Brabandt <c...@256bit.org>

diff --git a/runtime/doc/syntax.txt b/runtime/doc/syntax.txt
index 39a64da63..e6e4314b8 100644
--- a/runtime/doc/syntax.txt
+++ b/runtime/doc/syntax.txt
@@ -1,4 +1,4 @@
-*syntax.txt* For Vim version 9.1. Last change: 2025 Sep 10
+*syntax.txt* For Vim version 9.1. Last change: 2025 Sep 14


VIM REFERENCE MANUAL by Bram Moolenaar
@@ -2504,21 +2504,26 @@ $VIMRUNTIME/syntax/syntax.vim).
MARKDOWN *ft-markdown-syntax* *g:markdown_minlines*
*g:markdown_fenced_languages* *g:markdown_syntax_conceal*

-If you have long regions there might be wrong highlighting. At the cost of
+If you have long regions there may be incorrect highlighting. At the cost of
slowing down displaying, you can have the engine look further back to sync on
the start of a region, for example 500 lines (default is 50): >

:let g:markdown_minlines = 500

-If you want to enable fenced code block syntax highlighting in your markdown
-documents you can enable like this: >
+If you want to enable fenced code block syntax highlighting in your Markdown
+documents, set the following variable: >

:let g:markdown_fenced_languages = ['html', 'python', 'bash=sh']

-To disable markdown syntax concealing add the following to your vimrc: >
+To disable Markdown syntax concealing, add the following to your vimrc: >

:let g:markdown_syntax_conceal = 0

+For extended Markdown support with enhanced features such as citations,
+footnotes, mathematical formulas, academic writing elements and embedded code
+block highlighting, consider using the pandoc syntax plugin. Set
+`g:filetype_md` to 'pandoc' and see |ft-pandoc-syntax| for configuration
+details.

MATHEMATICA *mma.vim* *ft-mma-syntax* *ft-mathematica-syntax*