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Postings from December 2008
2008/12/26 karl williamson <public@khwilliamson.com>:
> Attached is a patch for this. The problem is that in this subroutine p may
> or may not be in utf8, and the flag do_utf8 indicates which. The code
> calls various functions passing both p and do_utf8, and these work. But
> to_utf8_fold() expects its argument to always be in utf8, and this caused
> the problem Also the av's are stored as utf8, so the memEQ would not work
> correctly on a non-utf8 p even though no error message would be generated.
>
> The patch creates a copy of p in utf8, if necessary, and uses that even when
> calling the functions that accept the do_utf8 flag, as they create
> temporaries, convert to utf8, and then throw the conversion away. It is
> more efficient to do the conversion once in the caller and pass that to each
> routine.
>
> I'm not sure what to do about a test case.
>
> "\xc0" =~ qr/[\x{1f4}\xc0]/;
>
> doesn't show the problem, but
>
> use Test::More tests => 1;
> like("\xc0", qr/[\x{1f4}\xc0]/i, 'get malformed utf8');
>
> does. And it looks like none of the existing re tests use Test.
Then there is probably a problem in Test::More itself ?
(Is there a bug number for this?)
I've tested the patch, but I would feel more comfortable with a test
case. (or with a comment from Yves)
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