export all packages (but mark as x-internal)
diff --git a/plugins/org.eclipse.objectteams.otdt.apt/META-INF/MANIFEST.MF b/plugins/org.eclipse.objectteams.otdt.apt/META-INF/MANIFEST.MF
index 4218742..a722d8d 100644
--- a/plugins/org.eclipse.objectteams.otdt.apt/META-INF/MANIFEST.MF
+++ b/plugins/org.eclipse.objectteams.otdt.apt/META-INF/MANIFEST.MF
@@ -10,3 +10,4 @@
  org.eclipse.osgi,
  org.eclipse.jdt.core;bundle-version="[3.7.0.v_OTDT_r080,3.7.0.v_OTDT_r090)"
 Bundle-ActivationPolicy: lazy
+Export-Package: org.eclipse.objectteams.otdt.internal.apt;x-internal:=true