- From: <bugzilla@wiggum.w3.org>
- Date: Wed, 19 Aug 2009 23:16:39 +0000
- To: public-qt-comments@w3.org
http://www.w3.org/Bugs/Public/show_bug.cgi?id=7350
--- Comment #5 from John Snelson <john.snelson@oracle.com> 2009-08-19 23:16:39 ---
For those that like to see the EBNF, these are the changes I was suggesting in
comment #4:
LiteralFunctionItem ::= QName "#" IntegerLiteral? /* ws:explicit */
DynamicFunctionInvocation ::= FunctionItem "(" ArgOrNotPovided
("," ArgOrNotProvided)*)? ")"
FunctionItem ::= FilterExpr
ArgOrNotProvided ::= ExprSingle | "?"
The explicit whitespace flag has been added to the literal function item
production to enable easier parsing, especially given the newly optional arity
integer.
Note that using the "?" partial apply syntax provides no way to partially apply
an argument to a 1-arity function to turn it into a 0-arity function. I don't
see this as a big drawback, but it's worth pointing out.
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Received on Wednesday, 19 August 2009 23:16:51 UTC