* Added correct minimal environment to plugin manifests.
diff --git a/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF b/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF
index 3bb0316..2830487 100644
--- a/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF
+++ b/core/plugins/org.eclipse.dltk.debug.ui/META-INF/MANIFEST.MF
@@ -32,3 +32,4 @@
  org.eclipse.dltk.internal.debug.ui.actions,
  org.eclipse.dltk.internal.debug.ui.interpreters,
  org.eclipse.dltk.internal.debug.ui.launcher
+Bundle-RequiredExecutionEnvironment: J2SE-1.4