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| author | Karl Williamson <khw@cpan.org> | 2015-05-07 17:07:16 -0600 |
|---|---|---|
| committer | Karl Williamson <khw@cpan.org> | 2015-05-07 17:32:48 -0600 |
| commit | 6e31cdd1306e50af630ec6ef415b48d1ad6c978d (patch) | |
| tree | df474e66da3869c065423a914c61613bc13f98b5 /pod/perlguts.pod | |
| parent | a6a7eedc7e11636c834ac840a3a04d5d2931932a (diff) | |
| download | perl-6e31cdd1306e50af630ec6ef415b48d1ad6c978d.tar.gz | |
perlguts: Add links to perlunicode
Diffstat (limited to 'pod/perlguts.pod')
| -rw-r--r-- | pod/perlguts.pod | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/pod/perlguts.pod b/pod/perlguts.pod index cd7a512ff6..a58d7ade9d 100644 --- a/pod/perlguts.pod +++ b/pod/perlguts.pod @@ -2832,6 +2832,7 @@ C<v194.128>; this continues up to character 191, which is C<v194.191>. Now we've run out of bits (191 is binary C<10111111>) so we move on; character 192 is C<v195.128>. And so it goes on, moving to three bytes at character 2048. +L<perlunicode/Unicode Encodings> has pictures of how this works. Assuming you know you're dealing with a UTF-8 string, you can find out how long the first character in it is with the C<UTF8SKIP> macro: @@ -2957,7 +2958,7 @@ to support it. And this isn't the whole story. Starting in Perl v5.12, strings that aren't encoded in UTF-8 may also be treated as Unicode under various -conditions. +conditions (see L<perlunicode/ASCII Rules versus Unicode Rules>). This is only really a problem for characters whose ordinals are between 128 and 255, and their behavior varies under ASCII versus Unicode rules in ways that your code cares about (see L<perlunicode/The "Unicode Bug">). |