Subject: bug#39658: 26.3; can't edit file with terminal escape sequences

From: Mattias Engdegård <[email-masked]>
Date: Tue, 18 Feb 2020 17:02:29 +0100

> My guess is that rendering the escape sequences in the problem file is causing some kind of quadratic complexity. 

It looks like it's the left square brackets ('['). Take them out and it's fast.