small fix to perl58delta for MIME::QuotedPrint, from Jarkko

[p5sagit/p5-mst-13.2.git] / pod / perlunicode.pod

diff --git a/pod/perlunicode.pod b/pod/perlunicode.pod
index 25d512e..49f7432 100644 (file)
--- a/pod/perlunicode.pod
+++ b/pod/perlunicode.pod
@@ -12,7 +12,7 @@ from cover to cover, Perl does support many Unicode features.
 
 =over 4
 
-=item Input and Output Disciplines
+=item Input and Output Layers
 
 Perl knows when a filehandle uses Perl's internal Unicode encodings
 (UTF-8, or UTF-EBCDIC if in EBCDIC) if the filehandle is opened with
@@ -37,7 +37,7 @@ included to enable recognition of UTF-8 in the Perl scripts themselves
 (in string or regular expression literals, or in identifier names) on
 ASCII-based machines or to recognize UTF-EBCDIC on EBCDIC-based
 machines.  B<These are the only times when an explicit C<use utf8>
-is needed.>
+is needed.>  See L<utf8>.
 
 You can also use the C<encoding> pragma to change the default encoding
 of the data in your script; see L<encoding>.
@@ -87,7 +87,7 @@ Unless explicitly stated, Perl operators use character semantics
 for Unicode data and byte semantics for non-Unicode data.
 The decision to use character semantics is made transparently.  If
 input data comes from a Unicode source--for example, if a character
-encoding discipline is added to a filehandle or a literal Unicode
+encoding layer is added to a filehandle or a literal Unicode
 string constant appears in a program--character semantics apply.
 Otherwise, byte semantics are in effect.  The C<bytes> pragma should
 be used to force byte semantics on Unicode data.
@@ -598,17 +598,8 @@ than one Unicode character.
 
 =back
 
-The following cases do not yet work:
-
-=over 8
-
-=item *
-
-the "final sigma" (Greek), and
-
-=item *
-
-anything to with locales (Lithuanian, Turkish, Azeri).
+Things to do with locales (Lithuanian, Turkish, Azeri) do B<not> work
+since Perl does not understand the concept of Unicode locales.
 
 =back
 
@@ -771,17 +762,19 @@ which will match assigned characters known to be part of the Greek script.
 
 Level 2 - Extended Unicode Support
 
-        3.1 Surrogates                          - MISSING
-        3.2 Canonical Equivalents               - MISSING       [11][12]
-        3.3 Locale-Independent Graphemes        - MISSING       [13]
-        3.4 Locale-Independent Words            - MISSING       [14]
-        3.5 Locale-Independent Loose Matches    - MISSING       [15]
-
-        [11] see UTR#15 Unicode Normalization
-        [12] have Unicode::Normalize but not integrated to regexes
-        [13] have \X but at this level . should equal that
-        [14] need three classes, not just \w and \W
-        [15] see UTR#21 Case Mappings
+        3.1 Surrogates                          - MISSING      [11]
+        3.2 Canonical Equivalents               - MISSING       [12][13]
+        3.3 Locale-Independent Graphemes        - MISSING       [14]
+        3.4 Locale-Independent Words            - MISSING       [15]
+        3.5 Locale-Independent Loose Matches    - MISSING       [16]
+
+        [11] Surrogates are solely a UTF-16 concept and Perl's internal
+             representation is UTF-8.  The Encode module does UTF-16, though.
+        [12] see UTR#15 Unicode Normalization
+        [13] have Unicode::Normalize but not integrated to regexes
+        [14] have \X but at this level . should equal that
+        [15] need three classes, not just \w and \W
+        [16] see UTR#21 Case Mappings
 
 =item *