uid description linked to wrong section

[Edmund Jay]

Comments from KY regarding for pull request #39

https://bitbucket.org/openid/connect/pull-requests/39/merging-cp-into-ca#comment-237732135

Did this section got removed? (I think in the HTML version it originally was `5.4.2.  Requesting Claims Using the 'claims" Parameter`)

Am I correct to understand that IdA first provides uid to the Claims Endpoint? and that uid can be a did ?

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