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Postings from January 2010
On Mon, 25 Jan 2010 17:56:22 +0100, "H.Merijn Brand"
<h.m.brand@xs4all.nl> wrote:
> On Mon, 25 Jan 2010 09:32:55 -0700, karl williamson
> <public@khwilliamson.com> wrote:
>
> > I have been thinking about this, and see an issue with the proposed
> > solution: "they should be resolved and then converted to \x{...} not
> > preserved verbatim".
> >
> > The problem is that qr/\N{LATIN CHARACTER CAPITAL A}/ currently implies
> > that the regex is to have Unicode semantics, and its resolved
> > equivalent, \x41, does not. Hence, the conversion loses information,
> > and causes breakage.
>
> isn't \x{0041} (note the 4 positions) not guaranteed to be Unicode,
> where \x41 and \x{41} are not?
Apparently not
pc09:/home/merijn 111 > perl -MDP -we'DDump"\x{20ac}"'
SV = PV(0x743298) at 0x745328
REFCNT = 1
FLAGS = (POK,READONLY,pPOK,UTF8)
PV = 0x76e630 "\342\202\254"\0 [UTF8 "\x{20ac}"]
CUR = 3
LEN = 8
pc09:/home/merijn 112 > perl -MDP -we'DDump"\x{0081}"'
SV = PV(0x743298) at 0x745328
REFCNT = 1
FLAGS = (POK,READONLY,pPOK)
PV = 0x76e630 "\201"\0
CUR = 1
LEN = 8
pc09:/home/merijn 113 > perl -MDP -we'DDump"\x{0041}"'
SV = PV(0x743298) at 0x745328
REFCNT = 1
FLAGS = (POK,READONLY,pPOK)
PV = 0x76e630 "A"\0
CUR = 1
LEN = 8
pc09:/home/merijn 114 > perl -MDP -we'DDump"\N{U+41}"'
SV = PV(0x743298) at 0x745328
REFCNT = 1
FLAGS = (POK,READONLY,pPOK)
PV = 0x76e630 "A"\0
CUR = 1
LEN = 8
pc09:/home/merijn 115 >
--
H.Merijn Brand http://tux.nl Perl Monger http://amsterdam.pm.org/
using & porting perl 5.6.2, 5.8.x, 5.10.x, 5.11.x on HP-UX 10.20, 11.00,
11.11, 11.23, and 11.31, OpenSuSE 10.3, 11.0, and 11.1, AIX 5.2 and 5.3.
http://mirrors.develooper.com/hpux/ http://www.test-smoke.org/
http://qa.perl.org http://www.goldmark.org/jeff/stupid-disclaimers/
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