[Octave-bug-tracker] [bug #37625] Direction arrows erases prompt

[Arun Giridhar]

Follow-up Comment #3, bug #37625 (project octave):

Juan Pablo: Do you get the same behavior in the GUI as well as in the --no-gui
mode? For me the text mode works exactly like GNU Readline, and the command
recall acts differently only with GUI.

While we're on the topic of cursor behavior, could you check something with
Unicode strings? I noticed this earlier this week. Try pasting strings like
"सिद्धिर्भवति कर्मजा" at the command line.
For me, the cursor in the GUI jumps far to the right of the string's last
character (especially for strings in Brahmic scripts), but the string is
stored properly in Octave. This affects only GUI and not CLI or existing code.
I suspect that the QScintilla library routines are moving the cursor one space
to the right for every character read even if said character only
diacritically modifies a previous character and does not itself occupy extra
space, but I'm still tracking down the reason for this behavior.

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