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bug#43587: move-to-column behaves differently when text has invisible pr


From: Eli Zaretskii
Subject: bug#43587: move-to-column behaves differently when text has invisible property
Date: Tue, 29 Sep 2020 19:50:07 +0300

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> From: Christoph Arenz <tiga.arenz@web.de>
> Date: Tue, 29 Sep 2020 18:29:22 +0200
> 
> 
> On 29.09.20 18:22, Eli Zaretskii wrote:
> >> From: Christoph Arenz <tiga.arenz@web.de>
> >> Date: Tue, 29 Sep 2020 17:56:45 +0200
> >>
> >> Digging deeper into bug 43587, it seems to be related to move-to-column 
> >> behaving slightly different when the
> >> text in a line has the invisible property set.
> >>
> >> Here is how to recreate. According to the documentation for 
> >> move-to-column, I would not expect any
> >> difference between the two lines:
> >>
> >>> Optional second argument FORCE non-nil means if COLUMN is in the middle 
> >>> of a tab character, change
> >> it to spaces.
> >>
> >> For the first line, the tab has not been changed to spaces...
> >>
> >> Am I overlooking something?
> > Yes, move-to-column skips invisible text.
> Given that there is no invisible text in columns 0 to 7 in the provided
> example, but only thereafter(!), I do not understand what 'skips' means
> in this context when moving to column 7...

Sorry, I've misunderstood what you were asking.  I thought you were
asking whether move-to-column is affected by invisible text, and
answered that question.





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