[Bug 85220] Broken scrolling in screen

[Anders Kaseorg]

Public bug reported:

Binary package hint: gnome-terminal

With yesterday’s gnome-terminal 2.17.91-0ubuntu1 package, I now see a
display bug when scrolling inside screen with a caption set.  It can be
reproduced as follows:

screen
<Ctrl-A> : caption always "moo" <Enter>
seq 30

On a 24-line terminal, you would expect to see the numbers 9 through 30,
followed by the next shell prompt, and the caption line moo.  However,
the new gnome-terminal shows nine blank lines, followed by the numbers 9
through 24.  Also, the down button on the scroll bar is enabled (which
you wouldn’t expect inside screen); clicking this down button restores
the display to the expected state.

** Affects: gnome-terminal (Ubuntu)
     Importance: Undecided
         Status: Unconfirmed

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Broken scrolling in screen
https://launchpad.net/bugs/85220