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Re: [selectors] feedback

From: Tab Atkins Jr. <jackalmage@gmail.com>
Date: Thu, 24 Apr 2014 12:39:17 -0700
Message-ID: <CAAWBYDC0mEpwQ2MpcN8OBve9d9xASDimLEeZ+TEYXwA8Gr1s8A@mail.gmail.com>
To: Simon Sapin <simon.sapin@exyr.org>
Cc: Anne van Kesteren <annevk@annevk.nl>, "www-style@w3.org" <www-style@w3.org>
On Thu, Apr 24, 2014 at 9:22 AM, Simon Sapin <simon.sapin@exyr.org> wrote:
> On 18/04/2014 19:09, Tab Atkins Jr. wrote:
>> I plan to rewrite the parsing section into a Syntax-style parser, at
>> which point it would have the same structure as Syntax wrt "parse a
>> foo" algorithms.  Would that work?
>
> Why is this desirable?
>
> As far as I can tell, the reason Syntax moved away from a grammar was to be
> able to precisely define non-trivial error handling behaviors. But the error
> handling of Selectors *is* trivial: if the input does not match the grammar,
> it’s invalid. Done.
>
> When it makes sense and is sufficiently precise, I’d prefer to have a
> concise grammar than an algorithm written in English.

Yeah, I thought about this more, and decided that just using CSS-style
grammar instead of Bison-style would be sufficient.

~TJ
Received on Thursday, 24 April 2014 19:40:05 UTC

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