[konsole] [Bug 412598] New: messed up character placement

[Oswald Buddenhagen]

https://bugs.kde.org/show_bug.cgi?id=412598

            Bug ID: 412598
           Summary: messed up character placement
           Product: konsole
           Version: 19.08.1
          Platform: Debian unstable
                OS: Linux
            Status: REPORTED
          Severity: normal
          Priority: NOR
         Component: general
          Assignee: konsole-devel at kde.org
          Reporter: ossi at kde.org
  Target Milestone: ---

after a somewhat recent system upgrade (several weeks at least), the mutt
mailer (an ncurses application) run in konsole occasionally produces garbled
output.

it *appears* that spurious linefeeds are inserted at somewhat random but stable
positions (telling mutt to redraw the screen doesn't change a thing).

i haven't been able to identify a pattern, other than the fact that today's
system upgrade (which updated a bunch of libraries) made the problem much
harder to reproduce.
valgrind shows a few problems deep in qt (still 5.11.3; debian is being
sluggish), but the screen corruption didn't appear in that run.

the problem is not reproducible with xterm, rxvt, or gnome-terminal, so it must
be either konsole itself, or how ncurses/terminfo uses it specifically.

i realize that this isn't the most helpful report ever, but maybe it still
rings a bell ...

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