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| author | Anton Tagunov <tagunov@motor.ru> | 2002-03-04 08:41:41 +0300 |
|---|---|---|
| committer | Jarkko Hietaniemi <jhi@iki.fi> | 2002-03-04 03:46:31 +0000 |
| commit | f1e62f77e429d3d8456955e82037ca65bbe65d82 (patch) | |
| tree | 30e25107972589aa410bc8477cb7330f3b1bbe0d /pod/perlunicode.pod | |
| parent | d83fe81478642d61ea67b41c692afcf14811c9af (diff) | |
| download | perl-f1e62f77e429d3d8456955e82037ca65bbe65d82.tar.gz | |
[ID 20020303.006] [Doc][utf8::up/down grade][use encoding] application for clarification
Date: Mon, 4 Mar 2002 05:41:41 +0300
Message-Id: <7916563907.20020304054141@motor.ru>
Subject: [ID 20020303.005] Patch perlinicode C API description
From: Anton Tagunov <tagunov@motor.ru>
Date: Mon, 4 Mar 2002 06:08:23 +0300
Message-Id: <2018165510.20020304060823@motor.ru>
p4raw-id: //depot/perl@14981
Diffstat (limited to 'pod/perlunicode.pod')
| -rw-r--r-- | pod/perlunicode.pod | 20 |
1 files changed, 10 insertions, 10 deletions
diff --git a/pod/perlunicode.pod b/pod/perlunicode.pod index 7ea87141f0..c170d2c1da 100644 --- a/pod/perlunicode.pod +++ b/pod/perlunicode.pod @@ -848,16 +848,16 @@ the following C APIs useful (see perlapi for details): =item * -DO_UTF8(sv) returns true if the UTF8 flag is on and the bytes -pragma is not in effect. SvUTF8(sv) returns true is the UTF8 -flag is on, the bytes pragma is ignored. Remember that UTF8 -flag being on does not mean that there would be any characters -of code points greater than 255 or 127 in the scalar, or that -there even are any characters in the scalar. The UTF8 flag -means that any characters added to the string will be encoded -in UTF8 if the code points of the characters are greater than -255. Not "if greater than 127", since Perl's Unicode model -is not to use UTF-8 until it's really necessary. +DO_UTF8(sv) returns true if the UTF8 flag is on and the bytes pragma +is not in effect. SvUTF8(sv) returns true is the UTF8 flag is on, the +bytes pragma is ignored. The UTF8 flag being on does B<not> mean that +there are any characters of code points greater than 255 (or 127) in the +scalar, or that there even are any characters in the scalar. What the +UTF8 flag means is that the sequence of octets in the representation +of the scalar should be treated as UTF-8 encoding of a string. +The UTF8 flag being off means that each octet in this representation +encodes a single character with codepoint 0..255 within the string. +Perl's Unicode model is not to use UTF-8 until it's really necessary. =item * |