[Octave-bug-tracker] [bug #55306] non-english typing in the editor don't appear but still there hidden causing error

[Markus Mützel]

Follow-up Comment #6, bug #55306 (project octave):

If I follow the Qt sources correctly, QTextCodec::canEncode uses
QTextCodec::convertFromUnicode to convert to the local encoding and checks
invalidChars of its ConverterState whether it was successful. Unfortunately
some implementations (e.g. for ICU [1]) don't update the invalidChars member
and the check is always true.

The attached patch uses gnulib to check whether the conversion is possible.
IIRC, you (Torsten) had to map some codepage names from gnulib to Qt. Do you
know whether this is necessary the other way round as well?

[1]:
https://code.woboq.org/qt5/qtbase/src/corelib/codecs/qicucodec.cpp.html#628

(file #45814)
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Additional Item Attachment:

File name: bug55306_file_editor_codec.patch Size:3 KB


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