attempt to transfer focus back to main window after closing popups, which is potentially relevant for heavy-weight windows (cf. workaround in org/gjt/sp/jedit/gui/CompletionPopup.java);
syntax: glob
*~
*.class
*.jar
*.orig
*.rej
.DS_Store
syntax: regexp
^contrib
^heaps/
^browser_info/
^doc/.*\.dvi
^doc/.*\.eps
^doc/.*\.pdf
^doc/.*\.ps
^src/Tools/jEdit/dist/