Fix vocabulary reference

Julien LepillerSat May 02 23:54:45+0200 2020

27dd838

Fix vocabulary reference

activitypub/vocabulary.scm

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present objects which are not addressed to the Public endpoint."))
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(define activitypub-ontology
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  (merge-ontologies activitystreams-ontology
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  (merge-ontologies as:activitystreams-ontology
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                    (make-ontology
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                      '()
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                      '()