Florent Guillaume wrote: >> <a tal:attributes="href python:'Reports.py?doit&task_id=%s' %(taskid)"> >>foo </a> > > Note that > <a href="Reports.py?doit&task_id=bar">foo</a> > is illegal (even if accepted by lots of browsers). > > You should use: > <a href="Reports.py?doit&task_id=bar">foo</a> Can you point ot me the URL of the relevent RFC please, I wasn't aware of this... cheers, Chris