[Zope] cannot change property of type lines permanently

[Dieter Maurer]

Marcus Bergmann wrote at 2004-1-16 18:33 +0100:
>I'm trying this:
>
><dtml-call "calendar.mailaddresses.remove(REQUEST.mailaddress)">
>
>where 'calendar' is a folder, 'mailaddresses' is a property of it (type 
>is lines) and 'mailaddress' is a variable the DTML method received via 
>an HTML form.

Always change things through the official API only!

For properties, this is the "PropertyManager" API
(documented in the embedded Zope online help).

-- 
Dieter