[1.6.0] Add support for LinkTypes, used for rel and rev attributes.

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@924 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/Strategy/ValidateAttributesTest.php

@@ -185,6 +185,13 @@ class HTMLPurifier_Strategy_ValidateAttributesTest extends
             '<td style="height:10px;width:5%;" /><th style="height:5%;width:10px;" /><hr style="width:10px;" />'
         );
         
+        // link types
+        $this->assertResult(
+            '<a href="foo" rel="nofollow" />',
+            true,
+            array('Attr.AllowedRel' => 'nofollow')
+        );
+        
     }
     
 }