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[Bug 1376] [XQuery] some editorial comments on A.1.1 grammar-note: parens

From: <bugzilla@wiggum.w3.org>
Date: Sat, 09 Jul 2005 03:36:09 +0000
To: public-qt-comments@w3.org
Cc:
Message-Id: <E1Dr68P-0000x3-0q@wiggum.w3.org>

http://www.w3.org/Bugs/Public/show_bug.cgi?id=1376





------- Additional Comments From scott_boag@us.ibm.com  2005-07-09 03:36 -------
(In reply to comment #0)
> A.1.1 grammar-note: parens
> 
> "A look-ahead of one character is required to distinguish function patterns"
>     Change "function patterns" to "a FunctionCall".

Done.

> 
> "from a QName or keyword followed by a Pragma, or Comment"
>     Delete comma.

Done.

> 
> "for (: whom the bell :) $tolls = 3 return $tolls"
>     This example is illegal. Change "=" to "in" ?

Done.

> 
> (this note)
>     What's so special about this particular case that it deserves to be pointed
>     out? There are lots of other cases that require lookahead (in a lookahead-
>     based parser), and more lookahead than just one character. I think this
>     grammar-note should be dropped.

Since, with nested comments, you can no longer match "foo(" with a regular
expression, this case is not different.  The original issue is "foo(:" vs.
"foo(".  But, I don't think this non-normative note is harmful, and I'll leave
it in unless someone wants to push on the matter.
Received on Saturday, 9 July 2005 03:36:13 UTC

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