otherwise, the description in the GNU MP documentation can be applied.
Support for rational numbers\index{rational numbers} can be
-implemented in Python. For an example, see the \module{Rat}%
-\withsubitem{(demo module)}{\ttindex{Rat}} module, provided as
+implemented in Python. For an example, see the
+\module{Rat}\withsubitem{(demo module)}{\ttindex{Rat}} module, provided as
\file{Demos/classes/Rat.py} in the Python source distribution.
In general, \dfn{mpz}-numbers can be used just like other standard