Copied from office-comment list

Original author: "Alex Brown" <alexb@griffinbrown.co.uk>
Original date: 27 Apr 2009 12:41:33 -0000
Original URL: http://lists.oasis-open.org/archives/office-comment/200904/msg00048.html

The "points" datatype is used e.g. with the <draw:points> attribute.

Its values are governed by the regex:

?[0-9],?[0-9]([ ]?[0-9],?[0-9]+)*

This regex is probably faulty, as it does not allow the first x
coordinate value to have a decimal part