perldelta for 127ce1c

[perl5.git] / pod / perluniintro.pod

diff --git a/pod/perluniintro.pod b/pod/perluniintro.pod
index c5b0a15..244cd38 100644 (file)
--- a/pod/perluniintro.pod
+++ b/pod/perluniintro.pod
@@ -71,7 +71,7 @@ view: one "character" is one Unicode code point.
 
 For some combinations of base character and modifiers, there are
 I<precomposed> characters.  There is a single character equivalent, for
-example, to the sequence C<LATIN CAPITAL LETTER A> followed by
+example, for the sequence C<LATIN CAPITAL LETTER A> followed by
 C<COMBINING ACUTE ACCENT>.  It is called  C<LATIN CAPITAL LETTER A WITH
 ACUTE>.  These precomposed characters are, however, only available for
 some combinations, and are mainly meant to support round-trip
@@ -473,13 +473,13 @@ its argument so that Unicode characters with code points greater than
 displayed as C<\x..>, and the rest of the characters as themselves:
 
  sub nice_string {
-     join("",
-       map { $_ > 255 ?                  # if wide character...
-              sprintf("\\x{%04X}", $_) :  # \x{...}
-              chr($_) =~ /[[:cntrl:]]/ ?  # else if control character...
-              sprintf("\\x%02X", $_) :    # \x..
-              quotemeta(chr($_))          # else quoted or as themselves
-         } unpack("W*", $_[0]));           # unpack Unicode characters
+        join("",
+        map { $_ > 255                    # if wide character...
+              ? sprintf("\\x{%04X}", $_)  # \x{...}
+              : chr($_) =~ /[[:cntrl:]]/  # else if control character...
+                ? sprintf("\\x%02X", $_)  # \x..
+                : quotemeta(chr($_))      # else quoted or as themselves
+        } unpack("W*", $_[0]));           # unpack Unicode characters
    }
 
 For example,
@@ -562,7 +562,7 @@ sections on case mapping in the L<Unicode Standard|http://www.unicode.org>.
 
 As of Perl 5.8.0, the "Full" case-folding of I<Case
 Mappings/SpecialCasing> is implemented, but bugs remain in C<qr//i> with them,
-mostly fixed by 5.14.
+mostly fixed by 5.14, and essentially entirely by 5.18.
 
 =item *
 
@@ -615,7 +615,7 @@ String-To-Number Conversions
 Unicode does define several other decimal--and numeric--characters
 besides the familiar 0 to 9, such as the Arabic and Indic digits.
 Perl does not support string-to-number conversion for digits other
-than ASCII 0 to 9 (and ASCII a to f for hexadecimal).
+than ASCII C<0> to C<9> (and ASCII C<a> to C<f> for hexadecimal).
 To get safe conversions from any Unicode string, use
 L<Unicode::UCD/num()>.
 
@@ -802,11 +802,15 @@ L<http://www.cl.cam.ac.uk/~mgk25/unicode.html>
 
 How Does Unicode Work With Traditional Locales?
 
-Starting in Perl 5.16, you can specify
+If your locale is a UTF-8 locale, starting in Perl v5.20, Perl works
+well for all categories except C<LC_COLLATE> dealing with sorting and
+the C<cmp> operator.
+
+For other locales, starting in Perl 5.16, you can specify
 
     use locale ':not_characters';
 
-to get Perl to work well with traditional locales.  The catch is that you
+to get Perl to work well with them.  The catch is that you
 have to translate from the locale character set to/from Unicode
 yourself.  See L</Unicode IE<sol>O> above for how to