Message
CRediT role with degree-contribution="lead" should also be present on another contributor
with degree-contribution="supporting": .
Rule XPath:
This rule ASSERTS the following, raising an alert if FALSE:
not(@vocab = 'credit' and @degree-contribution = 'lead') or
(some $role in (../../*/role except .)
satisfies ($role/@vocab-term-identifier = @vocab-term-identifier or $role/@vocab-term
= @vocab-term)
and $role/@degree-contribution = 'supporting')