<?xml version="1.0"?> <copying> <authors> <author> <name>William Joye</name> </author> </authors> <license> <informal>GPL</informal> <year>2010</year> <text href="http://www.gnu.org/copyleft/gpl.html"/> </license> <src> <format>C++ program source</format> <link href="http://hea-www.harvard.edu/RD/ds9/">DS9 homepage</link> </src> <distribute> <qgis distribute="yes" license="gpl"/> </distribute> </copying>