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This specification documents OPDS extensions that allow public libraries to communicate these scenarios of artificial scarcity -- availability, holds queues, loan duration -- to OPDS clients. It also sets out guidelines for how an OPDS client should process the standard http://opds-spec.org/acquisition/borrow link relation.
Extensions
- opds:availability
- opds:state
- opds:since and opds:until
- opds:copies
- opds:holds
- Fulfillment link relations
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