Holes spanning multiple lines are not handled

[fredrik-bakke]

Holes spanning multiple lines are not highlighted:

And attempting to insert using C-c C-space does not work:

[fredrik-bakke]

Presumably, this is related to #158.

[banacorn]

Please reopen this issue if the problem still persists

[fredrik-bakke]

Thanks for taking the time, @banacorn. Unfortunately, unless the fix was not shipped with the most recent version of the extension, this problem persists.