Taken from debian
--- Derivative.pm+++ Derivative.pm@@ -1,8 +1,9 @@# functions for calculating derivatives of data
# $Id: 0.01-pod.diff,v 1.1 2009/05/13 06:34:21 tove Exp $
+=head1 NAME
- Math::Derivative - Numeric 1st and 2nd order differentiation+Math::Derivative - Numeric 1st and 2nd order differentiation=head1 SYNOPSIS