URL:
<https://savannah.gnu.org/bugs/?65506>
Summary: bad terminal configuration, which can disable the
alternate screen, e.g. with rxvt
Group: GNU Screen
Submitter: vinc17
Submitted: ven. 22 mars 2024 15:00:51
Category: None
Severity: 3 - Normal
Priority: 5 - Normal
Status: None
Privacy: Public
Assigned to: None
Open/Closed: Open
Release: 4.9.1
Discussion Lock: Any
Fixed Release: None
Planned Release: None
Work Required: None
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Follow-up Comments:
-------------------------------------------------------
Date: ven. 22 mars 2024 15:00:51 By: Vincent Lefèvre <vinc17>
At least with GNU Screen from 4.0.3 (issue found in 2011) to 4.9.1 (current
version) and rxvt from 9.09 to 9.31 (current version), the screen contents are
not restored when a GNU Screen session is detached.
To reproduce the problem:
1. Run rxvt-unicode.
2. Run some commands, just to generate contents in the screen.
3. Run "screen".
4. Detach the GNU Screen session ([Cmd key] d), or simpler: terminate the
shell (this will close the session and quit "screen").
Quoting https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=618332#10 (Emanuele
Giaquinta):
> This happens because screen sends "is2" after "smcup", and is2 disables the
alternate screen buffer. The problem does not occur in xterm because xterm's
is2 does not disable the alternate screen buffer.
https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=618332#25 (Marc Lehmann)
gives additional explanations.
So, according to both, this is due to bad terminal configuration in GNU
Screen.
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