gtk wrote: > Here's something wierd, though: > > <dtml-var expr="md5er(id)"> > > ... gives me an error: > > Error Type: TypeError > Error Value: read-only buffer, Python Method > > Any suggestions? 'id' is sometimes an attribute, sometimes a method, and sometimes a 'computed attribute'. In this case, you need to call 'id' with 'id()'. -Michel