The underscore defines the "under namespace". See http://www.zope.org/Documentation/Books/ZopeBook/2_6Edition/AdvDTML.stx "DTML Namespace Utility Functions" for a detailed description. -aj ----- Original Message ----- From: "Bryan C. Andregg" <bryan.andregg@duke.edu> To: <zope@zope.org> Sent: Thursday, August 22, 2002 19:53 Subject: [Zope] what does _. mean?