[Zope] about double sorting

[frank cuzzocrea]

i made a tinytablesplus file, and i want their to be two sorts, the primary sort being last_name, and the secondary being first_name.

i say a code the read something like this
<dtml-in xxx sort=last_name,first_name>

i tryed that, but got an error that said it
Error type: AttributeError
Error value: last_name,first_name

  I removed the _names from the tinytableplus file, to make sure it wasnt that, and i got the same error.

Any suggestions

Frank from Miami
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