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Simplified production for FilterExpr in XPath spec?
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Subject: Simplified production for FilterExpr in XPath spec? From: "Paul W. Abrahams" <abrahams@xxxxxxxxxxx> Date: Mon, 17 Jul 2000 23:03:02 -0400 |
The production in the XPath spec for FilterExpr is:
FilterExpr ::= PrimaryExpr | FilterExpr Predicate
It would seem that the following rewritten version would be
much more transparent:
FilterExpr ::= PrimaryExpr Predicate*
(A number of other productions, e.g., OrExpr, could be
similarly rewritten.)
Does anyone know why the production was written the way it
was?
Paul Abrahams
XSL-List info and archive: http://www.mulberrytech.com/xsl/xsl-list
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