'Clone file (*src_editor* widget) in all editorstacks
Cloning from the first editorstack in which every single new editor
is created (when loading or creating a new file)'

def _clone_file_everywhere(self, finfo):

    for editorstack in self.editorstacks[1:]:
        editor = editorstack.clone_editor_from(finfo, set_current=False)
        self.register_widget_shortcuts(editor)
