Index: trunk/tools/pmd/josm-ruleset.xml
===================================================================
--- trunk/tools/pmd/josm-ruleset.xml	(revision 13204)
+++ trunk/tools/pmd/josm-ruleset.xml	(revision 13205)
@@ -176,5 +176,4 @@
     <exclude name="OptimizableToArrayCall"/>
     <exclude name="SimplifyStartsWith"/>
-    <exclude name="StringToString"/>
     <exclude name="TooFewBranchesForASwitchStatement"/>
     <exclude name="UseArrayListInsteadOfVector"/>