'Change external editor path'

@Slot()
def change_exteditor(self):

    (path, valid) = QInputDialog.getText(self, _('External    editor'), _('External    editor    executable    path:'), QLineEdit.Normal, self.get_option('external_editor/path'))
    if valid:
        self.set_option('external_editor/path', to_text_string(path))
