[Octave-patch-tracker] [patch #8017] Add mainwindow Clear Command Window implementation

[John W. Eaton]

Follow-up Comment #2, patch #8017 (project octave):

After pushing, I noticed that it clears the window but leaves a blank line
above the prompt, unlike running clc from the command line.  Hmm.  I guess
that is the effect of jumping out of readline to force a redisplay?  Then I
noticed that the command_editor::interrupt function has a bad side effect.  If
there is some input already present on the line, it will be evaluated.  Since
that can be an incomplete line, you can end up with a syntax error when all
you want to do is clear the screen or step in the debugger.

Maybe there is another way we can do this job.


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