Provide infrastructure for PERL_ASYNC_CHECK() style safe signals.

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

diff --git a/pod/perldelta.pod b/pod/perldelta.pod
index 613556a..3c26282 100644 (file)
--- a/pod/perldelta.pod
+++ b/pod/perldelta.pod
@@ -75,9 +75,9 @@ since it, in a way, falsely promised that the features could be used.
 
 =item *
 
-The (bogus) escape sequences \8, \9, and \_ now give an optional
-warning ("Unrecognized escape passed through").  There is no need
-to \-escape any C<\w> character.
+The (bogus) escape sequences \8 and \9 now give an optional warning
+("Unrecognized escape passed through").  There is no need to \-escape
+any C<\w> character.
 
 =item *
 
@@ -109,6 +109,10 @@ functionality, see pack('U0', ...) and pack('C0', ...).
 
 =item *
 
+Formats now support zero-padded decimal fields.
+
+=item *
+
 C<perl -d:Module=arg,arg,arg> now works (previously one couldn't pass
 in multiple arguments.)
 
@@ -131,6 +135,11 @@ C<pack('U0a*', ...)> can now be used to force a string to UTF8.
 
 =item *
 
+The printf and sprintf now support parameter reordering using the
+C<%\d+\$> and C<*\d+\$> syntaxes.
+
+=item *
+
 prototype(\&) is now available.
 
 =item *
@@ -223,8 +232,6 @@ C<%INC> now localised in a Safe compartment so that use/require work.
 
 The Shell module now has an OO interface.
 
-=item *
-
 =back
 
 =head1 Utility Changes
@@ -307,7 +314,7 @@ distribution.
 map() that changes the size of the list should now work faster.
 
 =item *
- 
+
 sort() has been changed to use mergesort internally as opposed to the
 earlier quicksort.  For very small lists this may result in slightly
 slower sorting times, but in general the speedup should be at least
@@ -462,7 +469,7 @@ Regular expressions on references and overloaded scalars now work.
 scalar() now forces scalar context even when used in void context.
 
 =item *
-       
+
 sort() arguments are now compiled in the right wantarray context
 (they were accidentally using the context of the sort() itself).
 
@@ -717,6 +724,8 @@ winsock handle leak fixed.
 
 =back
 
+=back
+
 =head1 New or Changed Diagnostics
 
 All regular expression compilation error messages are now hopefully
@@ -814,6 +823,15 @@ this area.)
 
 No known fix.
 
+=head2 sprintf tests 129 and 130
+
+The op/sprintf tests 129 and 130 are known to fail in some platforms.
+Examples include any platform using sfio, and Tandem's NonStop-UX.
+The failing platforms do not comply with the ANSI C Standard, line
+19ff on page 134 of ANSI X3.159 1989 to be exact.  (They produce
+something else than "1" and "-1" when formatting 0.6 and -0.6 using
+the printf format "%.0f", most often they produce "0" and "-0".)
+
 =head2 Storable tests fail in some platforms
 
 If any Storable tests fail the use of Storable is not advisable.
@@ -843,6 +861,8 @@ made in other platforms.
 
 st-store.t and st-retrieve may fail with Compaq C 6.2 on OpenVMS Alpha 7.2.
 
+=back
+
 =head2 Threads Are Still Experimental
 
 Multithreading is still an experimental feature.  Some platforms
@@ -872,8 +892,6 @@ The compiler suite is slowly getting better but is nowhere near
 working order yet.  The backend part that has seen perhaps the most
 progress is the bytecode compiler.
 
-=back
-
 =head1 Reporting Bugs
 
 If you find what you think is a bug, you might check the articles