Make TERM_MAPPING.purpose optional

Description

Since it is not always possible to determine the purpose
of a term mapping, the TERM_MAPPING.purpose attribute should be
made optional. An alternative would be to retain it as mandatory,
and include an "unknown" value in its vocabulary.

Status

Assignee

JeffJ

Reporter

Zar Zar Tun

Raised By

None

Priority

Trivial
Configure