Thank you for your kind replies (Tres, Dieter), it was a matter of security permissions on the 'standard_html_header'.
Thanks especially to Dieter, for the tip re enabling verbose security. And TheJester helped me on #zope on IRC as well. Thanks very much! Best, Aleksey _______________________________________________ Zope maillist - Zope@zope.org http://mail.zope.org/mailman/listinfo/zope ** No cross posts or HTML encoding! ** (Related lists - http://mail.zope.org/mailman/listinfo/zope-announce http://mail.zope.org/mailman/listinfo/zope-dev )