prefer apple.laf.useScreenMenuBar=true (despite cf. effcfa38e77b) to make it work better with full-screen mode;
--- a/src/Tools/jEdit/etc/settings Sat Jan 05 22:02:44 2013 +0100
+++ b/src/Tools/jEdit/etc/settings Sat Jan 05 23:03:07 2013 +0100
@@ -7,7 +7,7 @@
#JEDIT_JAVA_OPTIONS="-Xms128m -Xmx512m -Xss1m -Dactors.corePoolSize=4 -Dactors.enableForkJoin=false"
JEDIT_JAVA_OPTIONS="-Xms128m -Xmx1024m -Xss2m -Dactors.corePoolSize=4 -Dactors.enableForkJoin=false"
#JEDIT_JAVA_OPTIONS="-Xms512m -Xmx4096m -Xss8m -Dactors.corePoolSize=4 -Dactors.enableForkJoin=false"
-JEDIT_SYSTEM_OPTIONS="-Dapple.laf.useScreenMenuBar=false
+JEDIT_SYSTEM_OPTIONS="-Dapple.laf.useScreenMenuBar=true
-Dcom.apple.mrj.application.apple.menu.about.name=Isabelle/jEdit
-Dscala.repl.no-threads=true"