I just found out that setSelection() isn't implemented:
Not implemented: setSelection
Aborted
Could this be added before the release of 2.5? (Not that
it is exceptionally urgent, since it's equivalent to:
       self.editor.setCursorPosition(l1, c1, FALSE)
       self.editor.setCursorPosition(l2, c2, TRUE)), but
it is confusing...
Boudewijn