[Request] Control tab width

[Request] Control tab width

[joshgoebel]

I try to use the CSS tab-size on the pre element, not working.

It most certainly works if your content includes actual ASCII tab characters (byte value: 9). Mozilla includes an example of this working in the docs: https://developer.mozilla.org/en-US/docs/Web/CSS/tab-size. If this doesn't work in your browser then there is a problem with your browser and we can't help with that. If it does work in your browser but just not with Highlight.js you could provide a JSfiddle that reproduces the problem and we can take a closer look.

If tab-size does nothing it's likely you're using spaces (not tabs), and there are no built-in features to control tab width when the tabs are composed of individual spaces.

Or sometimes the whitespace is not even exist and I don't know how it indent.

If the whitespace is simply missing in the source code I'm not sure how we could help...

[joshgoebel]

We used to have an option for replacing tabs with a number spaces: #2874 (though again it sounds like you aren't using real tabs at all)

It was removed, in favor of using the newer CSS features.

[joshgoebel]

Closing as #wontfix.