[Octave-bug-tracker] [bug #35910] Incorrect regex matching of multi-byte UTF-8 characters

[Mike Miller]

Follow-up Comment #20, bug #35910 (project octave):

I pushed a change on default to initialize the locale / character encoding
always when the interpreter starts, added the setlocale gnulib module, and
deleted some extraneous checks for the setlocale function from configure

https://hg.savannah.gnu.org/hgweb/octave/rev/463fc0cfed90

This fixes the main regression I saw with this change.

The remaining question is do we want to report an error if a user runs Octave
in a non-UTF-8 locale with a regular expression that contains a UTF-8
character? Probably yes, but we didn't in earlier versions of Octave. It might
be worth mentioning in NEWS that regular expressions now support multi-byte
character matching and that all patterns are now implicitly UTF-8.

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