Index: applications/editors/josm/plugins/OpeningHoursEditor/.classpath
===================================================================
--- applications/editors/josm/plugins/OpeningHoursEditor/.classpath	(revision 32583)
+++ applications/editors/josm/plugins/OpeningHoursEditor/.classpath	(revision 32680)
@@ -2,5 +2,5 @@
 <classpath>
 	<classpathentry kind="src" path="src"/>
-	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.7"/>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-1.8"/>
 	<classpathentry combineaccessrules="false" kind="src" path="/JOSM"/>
 	<classpathentry kind="output" path="bin"/>
Index: applications/editors/josm/plugins/OpeningHoursEditor/build.xml
===================================================================
--- applications/editors/josm/plugins/OpeningHoursEditor/build.xml	(revision 32583)
+++ applications/editors/josm/plugins/OpeningHoursEditor/build.xml	(revision 32680)
@@ -4,5 +4,5 @@
     <property name="commit.message" value="fixed main version"/>
     <!-- enter the *lowest* JOSM version this plugin is currently compatible with -->
-    <property name="plugin.main.version" value="10420"/>
+    <property name="plugin.main.version" value="10580"/>
 	
     <property name="plugin.author" value="Falko Thomale"/>
@@ -24,5 +24,5 @@
             <arg value="${javacc.home}/javacc.jar"/>
             <arg value="javacc"/>
-            <arg value="-JDK_VERSION=1.7"/>
+            <arg value="-JDK_VERSION=1.8"/>
             <arg value="-GRAMMAR_ENCODING=UTF-8"/>
             <arg value="-UNICODE_INPUT"/>
Index: applications/editors/josm/plugins/OpeningHoursEditor/nbproject/project.xml
===================================================================
--- applications/editors/josm/plugins/OpeningHoursEditor/nbproject/project.xml	(revision 32583)
+++ applications/editors/josm/plugins/OpeningHoursEditor/nbproject/project.xml	(revision 32680)
@@ -60,5 +60,5 @@
                 <package-root>src</package-root>
                 <classpath mode="compile">../../core/src</classpath>
-                <source-level>1.7</source-level>
+                <source-level>1.8</source-level>
             </compilation-unit>
         </java-data>