Subject: bug#24902: Antw: [EXT] Re: bug#24902: 25.1; C-x = for Unicode

From: Eli Zaretskii <[email-masked]>
Date: Wed, 26 Jan 2022 19:25:41 +0200

> From: Mattias Engdegård <[email-masked]>
> Date: Wed, 26 Jan 2022 17:53:00 +0100
> Cc: Robert Pluim <[email-masked]>, [email-masked], [email-masked]
> 
> 26 jan. 2022 kl. 15.09 skrev Ulrich Windl <[email-masked]>:
> 
> > 1) When you display the column, shouldn't you display the line, too?
> 
> It's probably because Emacs traditionally displays the line but not the column number in the mode line. The reason for that, in turn, is that updating the column number for each typed character makes Emacs less usable over a slow serial line (like 1200 bit/s).

It is also because displaying the column requires to redraw the mode
line on every move of the point, which is expensive and slows down
redisplay.

> These outdated assumptions should be clearly be reconsidered

They are not necessarily outdated.