Multi-line comments in Python not properly highlighted

[Peque]

It seems that multi-line comments in Python are not highlighted properly. See for example:

Lines 1 to 3 should be highlighted in red, rather than just the first line, right?

This particular submission can be found here.

[amalrik]

I suspect this can be a problem with rouge gem
I have reproduced the same behavior on my local machine and
I can take a deeper look at this in worst case at the weekend.

[amalrik]

Unfortunately this will require more effort than I thought.
My investigation led me to this class lib/rouge/formatters/html_exercism.rb which is where I think the problem belongs but I'm not sure yet why.
I going to try to solve this puzzle again on Thursday.

[Peque]

@amalrik May the Force be with you! 💪

[amalrik]

😃 tks!

[Insti]

We've recently updated the Rouge gem that does the syntax highlighting. Is this still an issue?

[Peque]

@Insti Is the update in production? If so, it seems it is still an issue, yes:

http://exercism.io/submissions/205b88badb0d41a18ee78f97c7cc6a36

[Insti]

@Peque yes it is in, but that code has already been rendered and converted to html, are you able to submit a new iteration?

[Insti]

Confirmed still broken: http://exercism.io/submissions/8146d9059e7d4690ae4633b7f2192b95

[Insti]

Code renders correctly on the Rouge demo page: http://rouge.jneen.net/pastes/XQGP

[Insti]

@amalrik do you have any more information/clues that might help solve this?

[Insti]

Clue, Pull reqest: #2838
This is the origin of the lib/rouge/formatters/html_exercism.rb file.
Maybe something is missing that is in the original rouge/formatters/html.rb file (which might have been updated.)?

[Insti]

Clue, Issue: #3044
Also happens in OCaml
It seems that when the line numbers are added the 'c' (comment?) css class is not maintained after the first line. So I suspect the problem is with the code that adds the line numbers.