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bug#32744: There seems to be a bug in current-column in character mode


From: Eli Zaretskii
Subject: bug#32744: There seems to be a bug in current-column in character mode
Date: Mon, 17 Sep 2018 18:22:45 +0300

> From: Kalman Reti <address@hidden>
> Date: Mon, 17 Sep 2018 10:54:50 -0400
> Cc: address@hidden
> 
>  > The doc string for the function doesn't clarify the intended meaning.
> 
> I think the doc string for current column should be enhanced to say what it 
> is returning.

What would you want it to say in addition or differently to what it
says now?

>  It's a bug in bubbles.el, now fixed on the emacs-26 branch.  The patch
>  is below, so you can apply it locally if you want.
> 
> The existing bubbles code works for both gui and character mode in emacs 22, 
> so I'd characterize it less as a
> bug in bubbles as an incompatibility introduced after emacs 22.

I don't see bubbles.el in any Emacs 22.x release I have here.  Maybe
you have some downstream distribution which backported the game from
Emacs 23?

I did try in Emacs 23, and I saw the same problem there.  And the
initial revision of bubbles.el I see in Git has the same problem on
TTY frames as the one I described.

Perhaps there was some bug/misfeature in current-column, which was
meanwhile fixed.

> Is there some other function that will give 'how many forward-chars necessary 
> to go from beginning of line to
> here?

I think you want posn-actual-col-row.





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