determine completion geometry like tooltip;
just one option jedit_popup_bounds for tooltip and completion;
# -*- shell-script -*- :mode=shellscript:
JEDIT_HOME="$COMPONENT"
JEDIT_SETTINGS="$ISABELLE_HOME_USER/jedit"
JEDIT_OPTIONS="-reuseview -noserver -nobackground -log=9"
#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=true
-Dcom.apple.mrj.application.apple.menu.about.name=Isabelle/jEdit
-Dscala.repl.no-threads=true"
ISABELLE_JEDIT_OPTIONS=""
ISABELLE_TOOLS="$ISABELLE_TOOLS:$JEDIT_HOME/lib/Tools"