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Postings from December 2010
On Sat, 11 Dec 2010 14:43:16 +0100
demerphq <demerphq@gmail.com> wrote:
...
> Also, and much worse is that at least up until 5.10 this insane
> remapping of codepoints also affected: \N{U+$codepoint} syntax.
>
> Fixed sometime since then as its not in blead, but i havent checked
> when or if it is fixed in 5.12.
>
> $ perl -v && perl -le'use encoding "iso 8859-7"; $a = "\xDF";
> $b="\N{U+DF}"; printf "0x%04x\n", ord for $a,$b'
...
This fix seems happen between 5.11.4 and 5.11.5 by
PATCH: [perl #56444] delayed interpolation of \N{...}
http://perl5.git.perl.org/perl.git/commit/ff3f963aa0f95ea53996b6a3842b824504b57c79
which makes \N{U+XX} syntax always have Unicode semantics
and prevents the block (in toke.c:S_scan_const()):
if (PL_encoding && !has_utf8) {
sv_recode_to_utf8(sv, PL_encoding);
from recoding \xDF to \x{3AF} under "use encoding 'iso 8859-7'".
Perhaps the Encode maintainer also wouldn't consider
whether "\N{U+DF}" should be equivalent to "\xDF".
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