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RE: [WebIDL] grammar in ABNF

From: Marcin Hanclik <Marcin.Hanclik@access-company.com>
Date: Wed, 1 Jul 2009 08:13:26 +0200
To: Cameron McCormack <cam@mcc.id.au>, public-webapps <public-webapps@w3.org>
Message-ID: <FAA1D89C5BAF1142A74AF116630A9F2C2890AF7E43@OBEEX01.obe.access-company.com>
>>Ah I see the confusion is more about how strongly the ‘|’ operator
>>binds compared to adjacent symbols.
Yes. I am more used to ABNF, thus my request.
Thanks for your follow-up.

Marcin Hanclik
ACCESS Systems Germany GmbH
Tel: +49-208-8290-6452  |  Fax: +49-208-8290-6465
Mobile: +49-163-8290-646
E-Mail: marcin.hanclik@access-company.com

-----Original Message-----
From: Cameron McCormack [mailto:cam@mcc.id.au]
Sent: Wednesday, July 01, 2009 7:39 AM
To: Marcin Hanclik; public-webapps
Subject: Re: [WebIDL] grammar in ABNF

Marcin Hanclik:
> > I had the following problem:
> >
> > [45]    ScopedName      -> "::" ScopedNameAfterColon
> >  | identifier ScopedNameParts
> > Where I assumed that each ScopedName has to start with "::", because according to ABNF this production has to be written as
> > [45ABNF]        ScopedName      = ("::" ScopedNameAfterColon) | (identifier ScopedNameParts)

Cameron McCormack:
> Was the confusion because the ‘"::" ScopedNameAfterColon’ and
> ‘identifier ScopedNameParts’ weren’t written on the same line?

Ah I see the confusion is more about how strongly the ‘|’ operator
binds compared to adjacent symbols.

--
Cameron McCormack ≝ http://mcc.id.au/


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Received on Wednesday, 1 July 2009 06:14:21 GMT

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