Hi Stefan!
The adding extra spaces before and after "/" are from google translator. I have not seen that after copying / before paste the text, sorry.
Thank you for
"TC_X2GO_DEBURL = deb http://packages.x2go.org/debian wheezy main"
It works now.
Bye, Olaf
(PS: I am not sure if this posting will be there at the correct place, in the thread. I did not receive any mail after the Authorization-Mail, and I do not see any "reply"-Button on this gmane-page.)