[Octave-bug-tracker] [bug #55306] Bi-directional text not displayed correctly (or hidden) in the file editor

[Markus Mützel]

Update of bug #55306 (project octave):

                  Status:          Ready For Test => Confirmed              
                 Release:                   5.0.0 => dev                    
                 Summary: non-english typing in the editor don't appear but
still there hidden causing error  => Bi-directional text not displayed
correctly (or hidden) in the file editor

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Follow-up Comment #13:

Re-reading the original report, I am not sure that all issues are fixed.

While with the applied changes the user should now see a meaningful error
message (i.e. that some characters can't be correctly encoded), the user would
still have a hard time finding these characters because they aren't displayed
in the editor.

I could re-produce this issue on Ubuntu and Windows by pasting any Arabic
characters from [1] at the start of a line. The characters display but overlay
if they are pasted at the end of a line. Still think [2] is relevant.

Re-titling for the remaining issue.

[1]: https://de.wikipedia.org/wiki/ISO_8859-6
[2]: https://www.scintilla.org/ScintillaDoc.html#SCI_SETBIDIRECTIONAL

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