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why is "ComputedConstructor" not in any right hand side in the core grammar?

From: Xiaobo Peng <peng@cs.unt.edu>
Date: Tue, 22 Jun 2004 18:45:00 -0500 (CDT)
To: www-ql@w3.org
Message-ID: <Pine.LNX.4.44.0406221843080.5616-100000@csp06.csci.unt.edu>

Hello,

Could anybody tell me:

why are OrderByClause, QuantifiedExpr and ComputedConstructor
not in any right hand side of any production in the core grammar?

http://www.w3.org/TR/xquery-semantics/#sec_core
A.1 Core BNF
[39 (Core)]    OrderByClause
[43 (Core)]    QuantifiedExpr
[57 (Core)]    ComputedConstructor


Thanks.

Xiaobo Peng
Received on Tuesday, 22 June 2004 19:45:35 GMT

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