summary says it all! if i press the "right mouse button" on a input field, there is no menue entry that allows me to paste the stuff that I copied before into the input field.
See <http://trac.webkit.org/projects/webkit/wiki/Known%20incompatibilities%20between%20open-source%20WebKit%20and%20Safari> *** This bug has been marked as a duplicate of 12761 ***