These were pointed out by a post by Edward d'Auvergne :
https://mail.gna.org/public/relax-devel/2008-01/msg00012.html (Message-id:
<1199821867.8905.7.camel@...>)
"...in the set_doc() method where something strange has happened. I think some lines and the start
of a function have been lost somewhere."
