Björn Linse wrote:
> > > start vim 8.0.550 with "LANG=tr_TR.UTF-8" (tested on Linux). Type "iI"
> > > on a line and do gu/gU
> > >
> > > Expected behavior:
> > > with casemap=keepascii,internal (default) it should behave like C or
> > > English locale with casemap= it should use the Turkish dotted
> > > uppercase and dotless lowercase variants
> > >
> > > Actual behavior:
> > > Neither works, in both cases i and I are left completely unchanged.
> > > The issue seems to be that vim_tolower always uses single-byte
> > > locale-dependent implementation for c < 0x80, disregarding the fact
> > > that a single-byte char might become multi-byte in the locale (and
> > > also ignoring casemap=keepascii, which I guess is unintended). On the
> > > other hand f_tolower and f_toupper works correctly as they call
> > > utf_tolower directly which implements the correct behavior respecting
> > > casemap.
> >
> > Thanks for noticing. It probably only matters for Turkish.
> > I'll fix vim_tolower() and vim_toupper() and add a test.
> > Please check that it works properly then.
> >
> > --
> > Facepalm statement #8: "Drive faster, the petrol is running out"
> >
> > /// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
> > /// sponsor Vim, vote for features -- http://www.Vim.org/sponsor/ \\\
> > \\\ an exciting new programming language -- http://www.Zimbu.org ///
> > \\\ help me help AIDS victims -- http://ICCF-Holland.org ///
>
> 552 fixes it for casemap=, but as I said, it is broken even for
> casemap=keepascii,internal (i and I are completely unchanged)
Ah, I missed that. That's strange.
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