Subject: bug#21102: 24.5; prompt of `read-char' obscured by keystroke echo

From: Drew Adams <[email-masked]>
Date: Wed, 19 Aug 2020 14:04:07 -0700 (PDT)

Good catch.

I just checked with releases on MS Windows.

This regression was introduced in Emacs 24.
The problem is present in 24.5, and it's absent in 23.4.