further speeding up of is_utf8_string()

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

diff --git a/pod/perlsyn.pod b/pod/perlsyn.pod
index 98bd8fa..3d45d55 100644 (file)
--- a/pod/perlsyn.pod
+++ b/pod/perlsyn.pod
@@ -105,9 +105,9 @@ as the last item in a statement.
 
 The number 0, the strings C<'0'> and C<''>, the empty list C<()>, and
 C<undef> are all false in a boolean context. All other values are true.
-
-Note that while 0, 0.0 and C<'0'> are false, C<'0.0'> and C<'0e0'> are
-true, but evaluate to 0 in a numeric context.
+Negation of a true value by C<!> or C<not> returns a special false value.
+When evaluated as a string it is treated as C<''>, but as a number, it
+is treated as 0.
 
 =head2 Statement Modifiers