codex - 💡(How to fix) Fix [Codex Desktop] Add .lua syntax highlighting to .luau code blocks [1 comments, 2 participants]

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openai/codex#18453Fetched 2026-04-18 05:54:38
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What variant of Codex are you using?

App

What feature would you like to see?

Title explains it all. Add .lua syntax highlighting to .luau code blocks

LUA code block: <img width="1196" height="545" alt="Image" src="https://github.com/user-attachments/assets/056cb285-fab1-439b-9e02-25820498d695" />

LUAU code block: <img width="1308" height="957" alt="Image" src="https://github.com/user-attachments/assets/8c5c0a87-4248-4f66-a9a2-d16955fbb57a" />

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extent analysis

TL;DR

Add support for Luau syntax highlighting by treating .luau files as .lua files for syntax highlighting purposes.

Guidance

  • Investigate the current syntax highlighting configuration to see if it can be extended to support .luau files.
  • Check if there are any existing plugins or extensions that provide Luau syntax highlighting support.
  • Consider adding a custom syntax highlighting rule to treat .luau files as .lua files, if the underlying syntax is similar.
  • Verify that the proposed solution does not break existing syntax highlighting for other file types.

Notes

The solution may vary depending on the specific syntax highlighting engine or plugin being used, which is not specified in the issue.

Recommendation

Apply workaround: Add custom syntax highlighting rules to treat .luau files as .lua files, as this is a straightforward and non-invasive solution that can be implemented without waiting for official support.

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codex - 💡(How to fix) Fix [Codex Desktop] Add .lua syntax highlighting to .luau code blocks [1 comments, 2 participants]