Line marker for folded code block


I was wondering if it is possible to add a line marker for a code block that has been folded.
I've added line markers from my custom line marker provider, but these disappear as soon as the specific code block is folded. I can see this makes sense, but I would like to be able to show a line marker when the code is folded by my own custom folding builder.
I don't think this can be done by matching on the PSI, as the PSI doesn't change when code is folded. Is there another way to do this?



The logic of hiding line markers in a folded block is part of the platform code; plugin developers have no control over it. It might be possible to extend the API to allow that; you're welcome to file a YouTrack feature request.


Was a YouTrack feature request made for this in the end?


Not by me, if I remember correctly.


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