@!visibility private @see DependencyGraph#detach_vertex_named
Indicates some other unhandled resolver error was encountered.
PersonConstruct that contains information regarding the author of a Feed or Entry.
Reference: validator.w3.org/feed/docs/rfc4287.html#element.author
Contains information about a category associated with a Feed or Entry. It has the following attributes:
term
scheme
label
Reference: validator.w3.org/feed/docs/rfc4287.html#element.category
Contains information on the agent used to generate the feed.
Reference: validator.w3.org/feed/docs/rfc4287.html#element.generator
DateConstruct indicating the most recent time when a Feed or Entry was modified in a way the publisher considers significant.
Reference: validator.w3.org/feed/docs/rfc4287.html#element.updated