Message
article-version with vocab-identifier for JAV 2026 should have @vocab="jav" and @content-type value from the list "article-overall-status", "article-lifecycle-stage", "semantic-version-number"
Rule XPath:
This rule ASSERTS the following, raising an alert if FALSE:
not(@vocab-identifier = 'http://www.niso.org/schemas/jav/1.0/') or (@vocab = 'jav'
and @content-type = ('article-overall-status', 'article-lifecycle-stage', 'semantic-version-number'))