If lost, or in case of doubt, please collect information to describe your
problem in detail and direct questions and requests for help
on XRPS to the XMM-Newton HelpDesk. Feedback, i.e., suggestions and/or criticism,
should also be sent to the XMM-Newton HelpDesk. For details on XMM-Newton HelpDesk services
and mailing lists, please consult the XMM-Newton HelpDesk web page, at the URL
http://xmm.esac.esa.int/external/xmm_user_support/helpdesk.shtml.