Use alternative URLs for links which are now broken (link rot)

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

diff --git a/pod/perlsyn.pod b/pod/perlsyn.pod
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--- a/pod/perlsyn.pod
+++ b/pod/perlsyn.pod
@@ -735,13 +735,23 @@ C<grep> does not.
 =head3 Custom matching via overloading
 
 You can change the way that an object is matched by overloading
-the C<~~> operator. This trumps the usual smart match semantics.
-See L<overload>.
+the C<~~> operator. This may alter the usual smart match semantics.
 
 It should be noted that C<~~> will refuse to work on objects that
 don't overload it (in order to avoid relying on the object's
 underlying structure).
 
+Note also that smart match's matching rules take precedence over
+overloading, so if C<$obj> has smart match overloading, then
+
+    $obj ~~ X
+
+will not automatically invoke the overload method with X as an argument;
+instead the table above is consulted as normal, and based in the type of X,
+overloading may or may not be invoked.
+
+See L<overload>.
+
 =head3 Differences from Perl 6
 
 The Perl 5 smart match and C<given>/C<when> constructs are not