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Under the RDF extraction procedure <http://dev.w3.org/html5/spec/microdata.html#rdf> any tokens in @rel are converted to lower-case. This includes instances where URIs have been used as tokens. Many RDF properties include some upper-case characters, including the commonly used http://www.w3.org/2000/01/rdf-schema#seeAlso property. Possible solutions include: * Require (or at least permit) extractors to consider tokens containing colons case-sensitively; or * Document the limitation.
EDITOR'S RESPONSE: This is an Editor's Response to your comment. If you are satisfied with this response, please change the state of this bug to CLOSED. If you have additional information and would like the editor to reconsider, please reopen this bug. If you would like to escalate the issue to the full HTML Working Group, please add the TrackerRequest keyword to this bug, and suggest title and text for the tracker issue; or you may create a tracker issue yourself, if you are able to do so. For more details, see this document: http://dev.w3.org/html5/decision-policy/decision-policy.html Status: Accepted Change Description: see diff given below Rationale: Concurred with reporter's comments.
Checked in as WHATWG revision r4533. Check-in comment: Make rel='' values that contain a colon be case-sensitive URLs, leaving the others as case-insensitive keywords. http://html5.org/tools/web-apps-tracker?from=4532&to=4533