I found this post from 2021 Is it possible to show line numbers in code block? but no idea how to apply it. Is this option built into Discourse? If so, how do I specify this in Markdown? If it is not built into Discourse but is a plugin, where is the information on this plugin?

Edit: ok I whipped together a quick theme component. I will add some settings later to control background and text colours. [imagen] Code-block line numbers Theme component information_source Summary Adds line numbers to multi-line code-blocks in posts …

I asked the AI, I’m not sure if this will help: To solve the problem of showing line numbers in a code block on Discourse, here’s what you need to do: Discourse does not have a built-in feature to display line numbers in code blocks. However, there is a plugin that can help you achieve this. Th…

That Topic contains the CSS they used which you could experiment with in your own local Component. See from this post onwards [imagen] Is it possible to show line numbers in code block? Support I’ve been experimenting with line numbers for both wrapping and s…

Did you try it? It’s best I think to check AI provided solutions before posting as gospel.

I stated that I asked the AI, because it seems to be very helpful and underused in the case of helping. Though I did not have much knowledge on this plugin, I still wanted to help.

AI can hallucinate and old information it might have relied upon can get out of date and lose relevance - hence worth checking.

Which AI? (gratuitous content to meet the 10-character minimum)

[image] Ah, ok… everyone is jumping on the AI bandwagon I guess :confused:

¿Cómo agregar números de línea a bloques de código?

Soporte

Tema		Respuestas	Vistas
Is it possible to show line numbers in code block? Support	8	7363	4 Enero 2022
Code-block line numbers Theme component code	18	738	3 Marzo 2025
Plugins for writing coding text in the topics Support	7	1157	11 Julio 2020
Posting code or preformatted text Using Discourse how-to	2	5636	8 Octubre 2025
Click To Edit Plugin	27	936	10 Agosto 2025

¿Cómo agregar números de línea a bloques de código?

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