Subject: bug#78474: 31.0.50; Wrong char insertion in rxvt

From: Eli Zaretskii <[email-masked]>
Date: Tue, 22 Jul 2025 15:08:09 +0300

> Date: Mon, 21 Jul 2025 18:25:05 +0200
> From: Samuel Thibault <[email-masked]>
> Cc: Eli Zaretskii <[email-masked]>,
> 	Seb Hinderer <[email-masked]>, [email-masked],
> 	[email-masked]
> 
> > > Samuel> It's actually even slower on my box.
> > 
> > You benchmarked moving by one character. Moving by tabs can move in
> > multiples of 8 characters, so I doubt itʼs that cut and dried.
> 
> The case which actually poses problem is only that \t\b vs \e[C. Using
> tab without moving back with \b does not pose problem.

If that's the only problematic case, then disabling TABs as in the
proposed patch is not TRT.