plain old documentation

from The Free On-line Dictionary of Computing (8 July 2008)

Plain Old Documentation

   <text> (pod, occasionally "POD") A simple {markup language}
   used to embed {documentation}, {literate programming}-style,
   in {Perl} programs.  Pod readers and converters are part of
   the standard Perl distribution and the documentation provided
   with Perl is all in pod format.

   The Pod Specification
   (http://perl.com/CPAN-local/doc/manual/html/pod/perlpod.html).

   (1998-12-18)