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PaceLinkRelPrefixReg


Abstract

Makes the list of @rel values for the link element extensible by registering a prefix with IANA. The registrant may define @rel values beginning with that prefix.

Status

Open

Rationale

Proposal

Replace the text preceding the list of @rel values in section 3.4.1 of draft-ietf-atompub-protocol-01.txt (or whereever the list of @rel values appears--it may be moving into the format specification) to read:

3.4.1 rel

This attribute describes the relationship from the current document to the anchor
specified by the href attribute. The value of this attribute is a space-separated
list of link types. Link Constructs MUST have a rel attribute, whose value MUST
be a string, and MAY either be one of the values enumerated below or be defined
externally.

Externally defined values MUST begin with a prefix which has been registered with
IANA. Only the registrant of the prefix can define values beginning with that
prefix. Prefixes and the values that follow them MUST be separated by a period,
and both MUST consist entirely of alphanumeric characters and hyphens.

The value of this attribute is case-insensitive.

Insert the following in the "IANA Considerations" section.

IANA is hereby requested to establish a registry of prefixes for @rel values for
Link Constructs.

Impacts

Atom producers and consumers would have the option of supporting @rel values invented by arbitrary parties, but would not be required to do so. Publishers wishing to express links types not defined in the Atom core would be able to do so.

Notes


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