Note that traces of PL_na cling on in dark corners of the source code.

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

diff --git a/pod/perltodo.pod b/pod/perltodo.pod
index e9cfa79..5adc1fb 100644 (file)
--- a/pod/perltodo.pod
+++ b/pod/perltodo.pod
@@ -56,6 +56,12 @@ implements a very basic check for pod files, but the errors it discovers
 aren't found by podchecker. Add this check to podchecker, get rid of
 checkpods and have C<make check> use podchecker.
 
+=head2 perlmodlib.PL rewrite
+
+Currently perlmodlib.PL needs to be run from a source directory where perl
+has been built, or some modules won't be found, and others will be
+skipped. Make it run from a clean perl source tree (so it's reproducible).
+
 =head2 Parallel testing
 
 (This probably impacts much more than the core: also the Test::Harness
@@ -352,6 +358,11 @@ Make F<pod/roffitall> be updated by F<pod/buildtoc>.
 These tasks would need a little C knowledge, but don't need any specific
 background or experience with XS, or how the Perl interpreter works
 
+=head2 Exterminate PL_na!
+
+C<PL_na> festers still in the darkest corners of various typemap files.
+It needs to be exterminated, replaced by a local variable of type C<STRLEN>.
+
 =head2 Modernize the order of directories in @INC
 
 The way @INC is laid out by default, one cannot upgrade core (dual-life)
@@ -590,6 +601,13 @@ only the interpretation of non-ASCII characters, and not for the script file
 handle. To make it work needs some investigation of the ordering of function
 calls during startup, and (by implication) a bit of tweaking of that order.
 
+=head2 Propagate const outwards from Perl_moreswitches()
+
+Change 32057 changed the parameter and return value of C<Perl_moreswitches()>
+from <char *> to <const char *>. It should now be possible to propagate
+const-correctness outwards to C<S_parse_body()>, C<Perl_moreswitches()>
+and C<Perl_yylex()>.
+
 
 =head1 Tasks that need a knowledge of the interpreter
 
@@ -758,6 +776,12 @@ implement per-thread working directories: Win32 already does this.
 
 See also L</"Extend PerlIO and PerlIO::Scalar">.
 
+=head2 Investigate PADTMP hash pessimisation
+
+The peephole optimier converts constants used for hash key lookups to shared
+hash key scalars. Under ithreads, something is undoing this work. See
+See http://www.xray.mpe.mpg.de/mailing-lists/perl5-porters/2007-09/msg00793.html
+
 =head1 Big projects
 
 Tasks that will get your name mentioned in the description of the "Highlights