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[css2.1] Every nonterminal should have a formal grammar specification

From: Zack Weinberg <zweinberg@mozilla.com>
Date: Tue, 21 Apr 2009 14:03:39 -0700
To: W3C Emailing list for WWW Style <www-style@w3.org>
Message-ID: <20090421140339.7c3f0cb9@mozilla.com>
My earlier message about <family-name> raises this issue but I thought
it might deserve its own thread.  CSS (both 2.1 and the various level-3
modules) has a chronic tendency to define property-value nonterminals
only in prose, not with a formal syntax.  That prose tends to be
ambiguous, or at least to assume things that are never stated.

I request that the WG audit the existing specs, all of them, and add
formal syntax definitions for *every* nonterminal; and going forward,
that new proposals be required to provide these definitions.

[I don't care whether the grammar is L-anything.  I only care that it
be fully, formally, specified.]

Received on Tuesday, 21 April 2009 21:04:20 UTC

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