https://bugs.kde.org/show_bug.cgi?id=392661
Bug ID: 392661
Summary: 'Erase whole display' CSI sequence (\033[2J) is
incompatible with xterm/linux console
Product: konsole
Version: master
Platform: Compiled Sources
OS: Linux
Status: UNCONFIRMED
Severity: normal
Priority: NOR
Component: emulation
Assignee: konsole-de...@kde.org
Reporter: m...@arccos-1.net
Target Milestone: ---
How it works in Konsole:
All lines are shifted up until they disappear from the screen. They are
available in the history.
XTerm and Linux console:
Everything visible on the screen is erased. Scrollback remains unchanged.
VT102 User Guide says:
"Erases complete display. All lines are erased and changed to single-width.
Cursor does not move."
(those requirements are met in both cases. Scrollback was not available there,
so nobody specified what to do with it.)
I think XTerm/Linux behavior is more appropriate here:
* It literally erases the characters, not shifts them up.
* Konsole by default sets 'TERM' to 'xterm-256color'
* 'clear' entry from terminfo gives strange effect (saves current screen in
history, but removes everything else from it).
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