Index: /trunk/build.xml
===================================================================
--- /trunk/build.xml	(revision 7350)
+++ /trunk/build.xml	(revision 7351)
@@ -237,4 +237,6 @@
             <compilerarg value="-Xlint:try"/>
             <compilerarg value="-Xlint:unchecked"/>
+        	<!-- Undocumented argument to ignore "Sun internal proprietary API" warning, see http://stackoverflow.com/a/13862308/2257172 -->
+            <compilerarg value="-XDignore.symbol.file"/>
         </javac>
         <copy todir="build" failonerror="no" includeemptydirs="no">
@@ -426,5 +428,5 @@
 	 	-keep class * extends org.openstreetmap.josm.io.FileImporter
 	 	-keep class * extends org.openstreetmap.josm.io.FileExporter
-		-keep class org.openstreetmap.josm.data.imagery.types.Adapter1
+		-keep class org.w3._2001.xmlschema.Adapter1
 		-keep class org.openstreetmap.josm.actions.search.SearchCompiler$Never
 
@@ -439,5 +441,6 @@
 	 	}
 
-		# Disable annoying [proguard] Note: the configuration keeps the entry point '...', but not the descriptor class '...'. This notes should not be a problem as we don't use obfuscation
+		# Disable annoying [proguard] Note: the configuration keeps the entry point '...', but not the descriptor class '...'.
+		# This note should not be a problem as we don't use obfuscation
 		-dontnote
         </proguard>