the closing ``*/``. Then, both states are popped from the stack again and
lexing continues in the root state.
+ *New in Pygments 0.9:* The tuple can contain the special ``'#push'`` and
+ ``'#pop'`` (but not ``'#pop:n'``) directives.
- You can include the rules of a state in the definition of another. This is
done by using `include` from `pygments.lexer`: