Merge b504d72 into 7e18321

lib/UNIVERSAL.pm

@@ -1,6 +1,6 @@
 package UNIVERSAL;
 
-our $VERSION = '1.13';
+our $VERSION = '1.14';
 
 # UNIVERSAL should not contain any extra subs/methods beyond those
 # that it exists to define. The existence of import() below is a historical
@@ -87,7 +87,10 @@ inherits from (or is itself) the name of the package C<TYPE> or
 inherits from package C<TYPE>.
 
 If you're not sure what you have (the C<VAL> case), wrap the method call in an
-C<eval> block to catch the exception if C<VAL> is undefined.
+C<eval> block to catch the exception if C<VAL> is undefined or an unblessed
+reference. The L<C<isa> operator|perlop/"Class Instance Operator"> is an
+alternative that simply returns false in this case, so the C<eval> is not
+needed.
 
 If you want to be sure that you're calling C<isa> as a method, not a class,
 check the invocand with C<blessed> from L<Scalar::Util> first:

pod/perlfunc.pod

@@ -6578,7 +6578,9 @@ L<C<Scalar::Util::blessed()>|Scalar::Util/blessed> for information about
 blessing, and L<C<Scalar::Util::reftype()>|Scalar::Util/reftype> for
 information about physical types.  Use L<the C<isa> method|UNIVERSAL/C<<
 $obj->isa( TYPE ) >>> for class membership tests, though one must be
-sure of blessedness before attempting a method call.
+sure of blessedness before attempting a method call.  Alternatively, the
+L<C<isa> operator|perlop/"Class Instance Operator"> can test class
+membership without checking blessedness first.
 
 See also L<perlref> and L<perlobj>.