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Diffstat (limited to 'pod/perltrap.pod')
| -rw-r--r-- | pod/perltrap.pod | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/pod/perltrap.pod b/pod/perltrap.pod index cfe964270c..79e3ae5ca9 100644 --- a/pod/perltrap.pod +++ b/pod/perltrap.pod @@ -4,13 +4,9 @@ perltrap - Perl traps for the unwary =head1 DESCRIPTION -The biggest trap of all is forgetting to use the B<-w> switch; -see L<perlrun>. Making your entire program runnable under - - use strict; - -can help make your program more bullet-proof, but sometimes -it's too annoying for quick throw-away programs. +The biggest trap of all is forgetting to use the B<-w> switch; see +L<perlrun>. The second biggest trap is not making your entire program +runnable under C<use strict>. =head2 Awk Traps @@ -361,6 +357,14 @@ for $_ itself (and @_, etc.). =item * +Double-colon is now a valid package separator in an identifier. Thus these +behave differently in perl4 vs. perl5: + + print "$a::$b::$c\n"; + print "$var::abc::xyz\n"; + +=item * + C<s'$lhs'$rhs'> now does no interpolation on either side. It used to interpolate C<$lhs> but not C<$rhs>. |