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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