After reading all Zope docs, I have difficulties writing simple assignment and test. > <!--#var standard_html_header--> > > <dtml-let Size='big'></dtml-let> > <dtml-if "Size=='big'"><h1></dtml-if> > Hello. > <dtml-if "Size=='big'"></h1></dtml-if> > > <!--#var standard_html_footer--> The above gives error Error Type: KeyError, Error Value: 'big'. -- Milos Prudek