Index: trunk/tools/pmd/josm-ruleset.xml
===================================================================
--- trunk/tools/pmd/josm-ruleset.xml	(revision 11888)
+++ trunk/tools/pmd/josm-ruleset.xml	(revision 11929)
@@ -32,4 +32,5 @@
   	<exclude name="StringToString"/>
   	<exclude name="UselessStringValueOf"/>
+  	<exclude name="InefficientEmptyStringCheck"/>
   </rule>
   <rule ref="rulesets/java/typeresolution.xml">