[vim/vim] inconsistent LaTeX \texttt highlighting - highlighted as an ordinary command when within parentheses (Issue #16228)

Adam Jenča

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Dec 15, 2024, 4:18:43 PM12/15/24

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Steps to reproduce

create a .tex file with the following content:

\documentclass{article}
\begin{document}
\texttt{test}
(\texttt{test})
(  \texttt{test}   )
\texttt{test})
((blahblah)\\
\texttt{test}
\texttt{test}
)
(lorem ipsum)
\texttt{test}
( \textit{test} \textbf{test})
\end{document}

\texttt will be highlighted as an ordinary command when in parentheses
image.png (view on web)

Expected behaviour

All instances of \texttt{} get highlighted the same way (green)

Version of Vim

9.1.8166

Environment

OS: Arch Linux
Kernel: x86_64 Linux 6.12.1-arch1-1
Terminal: konsole 24.08.
Shell: bash 5.2.37

Logs and stack traces

No response

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ycm

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Dec 15, 2024, 4:45:54 PM12/15/24

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To be clear this is not specific to \texttt, it seems to apply to \textbf, etc. that fall under texTypeStyle.

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Charles Campbell

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Dec 16, 2024, 3:35:14 AM12/16/24

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ycm (Vim Github Repository) wrote:
>
> To be clear this is not specific to |\texttt|, it seems to apply to

> |\textbf|, etc. that fall under |texTypeStyle|.
>
>

Please try the attached patch to syntax/tex.vim

Chip Campbell

ptch

Christian Brabandt

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Dec 16, 2024, 3:36:44 AM12/16/24

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Please try the following patch: https://groups.google.com/g/vim_dev/c/R3-V6KrQsHc/m/lqCPuFSEAgAJ

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Adam Jenča

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Dec 16, 2024, 9:10:25 AM12/16/24

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Didn't work, sorry.
Additionally, \textbf and \textit are now also broken:
image.png (view on web)

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Charles Campbell

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Dec 16, 2024, 3:09:08 PM12/16/24

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ptch

JordL

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Jan 17, 2025, 4:45:13 PMJan 17

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Hello,

I manage to get it working by adding texEmphStyle to texMatchGroup used by texParen for matching text:

screenPatchLatexTextttVim.png (view on web)

Italic and Bold were already added to texMatchGroup, that should explain why the behavior was different. Here is a patch:

patchTexttt.txt

Also I notice that texEmphGroup is used around line 430 but not defined, while texBoldGroup and texItalGroup groups are used and defined. Maybe there is another case where the highlighting may fail.

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Christian Brabandt

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Jan 18, 2025, 12:12:39 PMJan 18

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Closed #16228 as completed via 2cb8246.

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Christian Brabandt

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Jan 18, 2025, 12:13:49 PMJan 18

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Thanks, I included your patch and added a syntax group. I couldn't really credit you, since you had no activity in your github profile and no email address.