Additionally, while there has not previously been a standard
installation mechanism, Python has had some standard machinery for
-building extensions on \UNIX{} since Python \XXX{version?}. This
+building extensions on \UNIX{} since Python 1.4. This
machinery (the \file{Makefile.pre.in} file) is superseded by the
Distutils, but it will no doubt live on in older module distributions
for a while. This \file{Makefile.pre.in} mechanism is documented in
the \command{install} command picks a set of directories (called an
\emph{installation scheme}) under this base directory in which to
install files. The details differ across platforms, so read whichever
-of the following section applies to you.
+of the following sections applies to you.
\subsection{Alternate installation: \UNIX{} (the home scheme)}