Tom Deprez writes: > I've tried every possibility from the Zope Book examples, but I can't get it > to work. > > Basicly I need to get a variable out of the namespace and if it doesn't > exists, nothing must happen as in > > tal:content="here/myvar | nothing;" > > however, myvar is dynamic, does I should use: > > tal:content="python:path('here/%s'%myvar')" use: path('here/%s | nothing' % myvar) Dieter