Doesn't work on BookStack and Hedgedoc anymore

I use two sites for writing my texts in Markdown: HedgeDoc and BookStack. The common thing with those two is that they use pre-formatted text (<pre> tags) to work.

I guess it has been broken by a recent version, since I didn’t change anything as far as I can tell. I couldn’t find any option to re-activate it and it’s really annoying. One of the reason I chose LanguageTool over other stuff is that BookStack’s source view was supported by it.

Is there any way to get it back? Do I have to like, downgrade it somehow?

Hello, I’m reporting the same trouble.
I think it’s happened since the plugin was updated a few days ago, according to the Firefox logs.


The issue has been reported to our developers and will be investigated on.

Kind regards,


Hello, is there any news about this issue?

Can I second the above, please? Any updates on this? Happy to run a demo instance of HedgeDoc, if it assists in development / debugging.