bug#50564: 28.0.50; Display artifacting in package list

[Po Lu]

Eli Zaretskii <eliz@gnu.org> writes:

> I don't think I can reproduce this here, at least not in "emacs -Q".
> But it's hard to say because you didn't tell which part(s) of the
> previous contents I should watch, and there's a lot of stuff on the
> screen to be sure that none of it was left behind.

Sorry for that.

> So please describe the recipe in more detail:

>   . to what width to resize the frame

80 (character width) seems to be sufficient.

>   . how do you "move to the end of a truncated line"

By moving to the line, and calling move-end-of-line (C-e).

>   . which parts of the display are left on the screen

Parts of the names; I've attached three screenshots, of which
"before.png" depicts the package list before the bug is triggered,
"bug1.png" depicts the bug, and "correct.png" depicts the screen after
redraw-display.

Thanks.

before.png
Description: PNG image

bug1.png
Description: PNG image

correct.png
Description: PNG image