runtime/syntax/rmd.vim: code blocks mishighlighted #21328

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1. ivankra

   added

   bug

   on Sep 17, 2026
2. ivankra commented on Sep 17, 2026

   

   ivankra

   on Sep 17, 2026

   Last edited by ivankra

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   There's a typo at rmd.vim:137 - missing escape in .+.

   I also suggest fixing the regexp for end= there to highlight code blocks with an indent (e.g. in lists)

   Patch:

   --- a/runtime/syntax/rmd.vim
   +++ b/runtime/syntax/rmd.vim
   @@ -134,7 +134,7 @@ endif
    " Step_3: Highlight code blocks.
    
    syn region rmdCodeBlock matchgroup=rmdCodeDelim start="^\s*```\s*{.*}$" matchgroup=rmdCodeDelim end="^\s*```\ze\s*$" keepend
   -syn region rmdCodeBlock matchgroup=rmdCodeDelim start="^\s*```.+$" matchgroup=rmdCodeDelim end="^```$" keepend
   +syn region rmdCodeBlock matchgroup=rmdCodeDelim start="^\s*```.\+$" matchgroup=rmdCodeDelim end="^\s*```\ze\s*$" keepend
    hi link rmdCodeBlock Special
    
    " Now highlight chunks:
3. chrisbra commented on Sep 29, 2026

   

   chrisbra

   on Sep 29, 2026

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   thanks, I include it. Next time please create a PR for the fix.
4. chrisbra

   closed this as completedin 4505de4on Sep 29, 2026
5. pull

   added a commit that references this issue on Sep 29, 2026

   runtime(rmd): fix typo in code block delimiter pattern, add test

   ...

   This issue will close once commit 4505de4 is merged into the 'master' branch.

   4505de4
6. zeertzjq

   added a commit that references this issue on Sep 30, 2026

   vim-patch:4505de4: runtime(rmd): fix typo in code block delimiter pat…

   ...

   This issue will close once commit fbe8211 is merged into the 'master' branch.

   fbe8211