prko

@telephon I think the image used to indicate the show/hide status of code line numbers is too ugly. I redesigned it. Now I am satisfied: - when loading a help...

@mtmccrea >Can you confirm that the default behavior will still be 'hidden'? Thanks for your suggestion! I have changed the default behaviour as you suggested!

@capital-G , @mtmccrea , @telephon This PR has been revised to match the gutter background colour of the code line numbers to the background colour of the body in the...

Conflicts between this PR and the development branch are resolved.

The position of the 'code line number position' is now to the right of the 'theme switcher'.

@capital-G Thanks for your advice! Could you check that I have done it correctly? [demo video](https://www.dropbox.com/scl/fi/t5gau2hjktypbe6iq6obm/show-and-hide-LOC-number.mov?rlkey=75vbvoul5gfwzft1acstmcaiv&dl=0)

Thank you so much for this great new feature! It is a great achievement! While testing I found a strange thing. Evaluating an example in the updated help document makes...

@mtmccrea Thank you for your kind instruction! This unresponsive problem only occurs on MacOS (my system is MacOS 13.6.3 on m1max). _(The result on Windows is what you want?)_

@mtmccrea Thanks! > It would be best to remove aspects until it can be reproduced with a minimal example. For example: Your new example seems to work identically on 3...

Sure! I tested on all operating systems, because I just realised that the first test on Windows was fooled by my mistake: I saved the sc file in SuperCollider, but...