Section 5.2 lists the possible errors the authorization server can return
for an access token request. In the list is "invalid_scope", which as I
understand it, can only be returned for a "password" or
"client_credentials" grant, since scope is not a parameter of an
"authorization_code" grant.

Because of this, I believe the phrase "or exceeds the scope granted by the
resource owner." is unnecessary, since there is no initial grant by the
resource owner. Am I reading this correctly, or is there some situation I
am not thinking of? Thanks!

----
Aaron Parecki
aaronparecki.com
@aaronpk <http://twitter.com/aaronpk>
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