[Patch] perlapio.pod

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

diff --git a/pod/perltodo.pod b/pod/perltodo.pod
index ed6af0d..0a6b8e1 100644 (file)
--- a/pod/perltodo.pod
+++ b/pod/perltodo.pod
@@ -94,16 +94,23 @@ to another single Unicode character.  See lib/unicore/SpecCase.txt
 
 =item *
 
-They have some tricks Perl doesn't yet implement like character
-class subtraction.
+UTF-8 identifier names should probably be canonicalized: NFC?
 
-       http://www.unicode.org/unicode/reports/tr18/
+=item *
+
+UTF-8 in package names and sub names?  The first is problematic
+because of the mapping to pathnames, ditto for the second one if
+one does autosplitting, for example.
 
 =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.
+They have some tricks Perl doesn't yet implement, such as character
+class subtraction.
+
+       http://www.unicode.org/unicode/reports/tr18/
 
 =head2 use Thread for iThreads
 
@@ -535,6 +542,18 @@ even with the same keys.
 This should be allowed if the new keyset is a subset of the old
 keyset.  May require more extra code than we'd like in pp_aassign.
 
+=head2 Should overload be inheritable?
+
+Should overload be 'contagious' through @ISA so that derived classes
+would inherit their base classes' overload definitions?  What to do
+in case of overload conflicts?
+
+=head2 Taint rethink
+
+Should taint be stopped from affecting control flow, if ($tainted)?
+Should tainted symbolic method calls and subref calls be stopped?
+(Look at Ruby's $SAFE levels for inspiration?)
+
 =head1 Vague ideas
 
 Ideas which have been discussed, and which may or may not happen.
@@ -650,6 +669,11 @@ and so on, varies.  Finding the right level of interfacing to Perl
 requires some thought.  Remember that an OS does not implicate a
 filesystem.
 
+Note that in Windows the -C command line flag already does quite
+a bit of the above (but even there the support is not complete:
+for example the exec/spawn are not Unicode-aware) by turning on
+the so-called "wide API support". 
+
 =head1 Recently done things
 
 These are things which have been on the todo lists in previous releases