Re: [PATCH mg.c gv.c and others] ${^TAINT}

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

diff --git a/pod/perltodo.pod b/pod/perltodo.pod
index 0f4ea63..b903593 100644 (file)
--- a/pod/perltodo.pod
+++ b/pod/perltodo.pod
@@ -61,17 +61,51 @@ engine. The idea is that, for instance, C<\b> needs to be
 algorithmically computed if you're dealing with Thai text. Hence, the
 B<\b> assertion wants to be overloaded by a function.
 
-=head2 Unicode case mappings 
+=head2 Unicode
+
+=over 4
+
+=item *
+
+Allow for long form of the General Category Properties, e.g
+C<\p{IsOpenPunctuation}>, not just the abbreviated form, e.g.
+C<\p{IsPs}>.
+
+=item *
+
+Allow for the metaproperties: C<XID Start>, C<XID Continue>,
+C<NF*_NO>, C<NF*_MAYBE> (require the DerivedCoreProperties and
+DerviceNormalizationProperties files).
+
+There are also enumerated properties: C<Decomposition Type>,
+C<Numeric Type>, C<East Asian Width>, C<Line Break>.  These
+properties have multiple values: for uniqueness the property
+value should be appended.  For example, C<\p{IsAlphabetic}>
+wouldbe the binary property, while C<\p{AlphabeticLineBreak}>
+would mean the enumerated property.
+
+=item *
 
     Case Mappings? http://www.unicode.org/unicode/reports/tr21/
 
-=head2 Unicode regular expression character classes
+lc(), uc(), lcfirst(), and ucfirst() work only for some of the
+simplest cases, where the mapping goes from a single Unicode character
+to another single Unicode character.  See lib/unicore/SpecCase.txt
+(and CaseFold.txt).
+
+=item *
 
 They have some tricks Perl doesn't yet implement like character
 class subtraction.
 
        http://www.unicode.org/unicode/reports/tr18/
 
+=back
+
+See L<perlunicode/UNICODE REGULAR EXPRESSION SUPPORT LEVEL> for what's
+there and what's missing.  Almost all of Levels 2 and 3 is missing,
+and as of 5.8.0 not even all of Level 1 is there.
+
 =head2 use Thread for iThreads
 
 Artur Bergman's C<iThreads> module is a start on this, but needs to
@@ -316,6 +350,8 @@ has changed. Detecting a change is perhaps the difficult bit.
 
 =head2 All ARGV input should act like E<lt>E<gt>
 
+eg C<read(ARGV, ...)> doesn't currently read across multiple files.
+
 =head2 Support for rerunning debugger
 
 There should be a way of restarting the debugger on demand.
@@ -810,4 +846,16 @@ by SADAHIRO Tomoyuki have been included since 5.8.0.
     Collation?     http://www.unicode.org/unicode/reports/tr10/
     Normalization? http://www.unicode.org/unicode/reports/tr15/
 
+=head2 Create debugging macros
+
+Debugging macros (like printsv, dump) can make debugging perl inside a
+C debugger much easier.  A good set for gdb comes with mod_perl.
+Something similar should be distributed with perl.
+
+The proper way to do this is to use and extend Devel::DebugInit.
+Devel::DebugInit also needs to be extended to support threads.
+
+See p5p archives for late May/early June 2001 for a recent discussion
+on this topic.
+
 =cut