Fix possible infinite loop by incrementing everybody's offsets. Add printTokens debugger function. Refine Linkify parent node checks (also check excludes, although technically later steps will catch it!)

git-svn-id: http://htmlpurifier.org/svnroot/htmlpurifier/trunk@1218 48356398-32a2-884e-a903-53898d9a118a

tests/HTMLPurifier/Strategy/MakeWellFormedTest.php

@@ -196,6 +196,10 @@ Par
             'This URL <a href="http://example.com">http://example.com</a> is what you need'
         );
         
+        $this->assertResult(
+            '<a>http://example.com/</a>'
+        );
+        
     }
     
     function testMultipleInjectors() {