Ihor Radchenko <yantar92@posteo.net> writes:

> Thanks! This patch does apply.
> I am not yet sure if I like this patch or the previous one more. I am
> thinking about combining them and implementing something like
> `org-move-to-text-column'.

I do not see immediate use of `org-move-to-text-column', so let's keep
things simple.

I am attaching an amended patch with modified commit message and
docstring describing the invisible text is accounted as visible.
I also added TINYCHANGE cookie as you do not appear to have FSF
copyright assignment.

Let me know if you want to make any changes to the new version of the
patch.