Method undo

Lib/idlelib/undo.py:292–297

(self, text)

        ##sys.__stderr__.write("redo: %s\n" % self)

    def undo(self, text):
        text.mark_set('insert', self.index1)
        text.insert(self.index1, self.chars)
        self.set_marks(text, self.marks_before)
        text.see('insert')
        ##sys.__stderr__.write("undo: %s\n" % self)


class CommandSequence(Command):