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Subject: RE: [xri-editors] Comments on BNF (version 03, lines 649-654)
Done -----Original Message----- From: Drummond Reed [mailto:email@example.com] Sent: Wednesday, July 02, 2003 3:03 PM To: Wachob, Gabe; firstname.lastname@example.org Subject: RE: [xri-editors] Comments on BNF (version 03, lines 649-654) Gabe, Good catch. Since xri-segment can already contain an xref, we had the case of "xri:@(xref).foo.bar" covered, and the case where the authority segment is an xref alone ("xri:(xref)/foo.bar"), but not the case where the authority begins with an xref and has delegated sub-segments ("xri:(xref).foo.bar"). However I see one problem with: XRI-authority = (gcs-char / xref) xri-segment It's that a gcs-char can be following directly by a reassignable identifier (e.g., @foo), whereas an xref is itself a sub-segment, so it must be delimited from the next sub-segment by a dot or a colon. So I think what we'll need is: authority-part = URI-authority / XRI-authority XRI-authority = ( gcs-char xri-segment ) / xref-segment xref-segment = xref ( "." sub-segment / ":" sub-segment) *( "." sub-segment / ":" sub-segment) Please check my logic.