- From: Jonathan Robie <jwrobie@mindspring.com>
- Date: Mon, 16 Feb 2004 18:20:37 -0500
- To: Michael Dyck <jmdyck@ibiblio.org>
- Cc: public-qt-comments@w3.org
This looks editorial, right? If so, it still lands on the list, but the editor is allowed to use discretion. You still get a response from the editor saying what was done with this feedback. Jonathan Michael Dyck wrote: >XQuery 1.0: An XML Query Language >W3C Working Draft 12 November 2003 > >Here is a comment from >http://lists.w3.org/Archives/Public/public-qt-comments/2002Dec/0019.html >that did not receive a response from the WG. > >------ > >A.4 Precedence Order > >"In the cases where a number of operators are a choice at the same >production level, the expressions are always evaluated from left to >right." > > The phrase "a choice at the same production level" is vague. > > And the order in which the *expressions* are evaluated is immaterial. > For example, in the AdditiveExpr A - B - C, the order in which you > evaluate A, B, and C doesn't matter (except in the presence of > dynamic errors); what matters (when you're defining precedence) is > the order in which you evaluate the subtractions. > > Here's something that addresses these points, and comes closer to > using standard terminology: > When a production directly derives a sequence of expressions > separated by binary operators, the operators are evaluated from > left to right. > > In any event, an example might help. > >-Michael Dyck > > >
Received on Monday, 16 February 2004 18:23:11 UTC