Doc tweaks.

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

diff --git a/pod/perlre.pod b/pod/perlre.pod
index 58cd645..c0d4e89 100644 (file)
--- a/pod/perlre.pod
+++ b/pod/perlre.pod
@@ -198,8 +198,8 @@ C<\d>, and C<\D> within character classes, but if you try to use them
 as endpoints of a range, that's not a range, the "-" is understood
 literally.  If Unicode is in effect, C<\s> matches also "\x{85}",
 "\x{2028}, and "\x{2029}", see L<perlunicode> for more details about
-C<\pP>, C<\PP>, and C<\X>, and L<perluniintro> about Unicode in
-general.
+C<\pP>, C<\PP>, and C<\X>, and L<perluniintro> about Unicode in general.
+You can define your own C<\p> and C<\P> propreties, see L<perlunicode>.
 
 The POSIX character class syntax
 
@@ -316,8 +316,10 @@ with a '^'. This is a Perl extension.  For example:
     [:^space:]     \S      \P{IsSpace}
     [:^word:]      \W      \P{IsWord}
 
-The POSIX character classes [.cc.] and [=cc=] are recognized but
-B<not> supported and trying to use them will cause an error.
+Perl respects the POSIX standard in that POSIX character classes are
+only supported within a character class.  The POSIX character classes
+[.cc.] and [=cc=] are recognized but B<not> supported and trying to
+use them will cause an error.
 
 Perl defines the following zero-width assertions:
 
@@ -347,7 +349,11 @@ It is also useful when writing C<lex>-like scanners, when you have
 several patterns that you want to match against consequent substrings
 of your string, see the previous reference.  The actual location
 where C<\G> will match can also be influenced by using C<pos()> as
-an lvalue.  See L<perlfunc/pos>.
+an lvalue: see L<perlfunc/pos>. Currently C<\G> is only fully
+supported when anchored to the start of the pattern; while it
+is permitted to use it elsewhere, as in C</(?<=\G..)./g>, some
+such uses (C</.\G/g>, for example) currently cause problems, and
+it is recommended that you avoid such usage for now.
 
 The bracketing construct C<( ... )> creates capture buffers.  To
 refer to the digit'th buffer use \<digit> within the