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Re: EBNF grammar of presentation syntax

From: Stella Mitchell <stellamit@gmail.com>
Date: Mon, 21 Sep 2009 12:48:31 -0400
Message-ID: <d64b0f2c0909210948j7f3cc57at1719bf98937b9bc0@mail.gmail.com>
To: Axel Polleres <axel.polleres@deri.org>
Cc: "RIF (E-mail)" <public-rif-wg@w3.org>
 The XML syntax is defined* as a mapping from PS syntax, so don't these
changes carry over automatically to the XML?

Stella

** Definition (Admissible BLD document in XML syntax).*  An *admissible* BLD
document in the XML syntax is a valid BLD document in XML syntax that is the
image of a well-formed RIF-BLD document in the presentation syntax...under
the presentation-to-XML syntax mapping χbld defined in Section Mapping from
the Presentation Syntax to the XML
Syntax<http://mail.google.com/mail/?ui=2&view=js&name=js&ver=uhlfONI7sUY.en.&am=!iBuYvrfV6ffpRdngwfwyQkxn4trOvV947cNe1MZo#sec-translation>
**
On Mon, Sep 21, 2009 at 9:43 AM, Axel Polleres <axel.polleres@deri.org>wrote:

>  Dear all,
>
> I think we might want to apply the restrictions for variable names, profile
> names and prefixes to NCNames also in
> the XML syntax. This does not restrict the expressivity of the language and
> thus is IMO not a problem.
>
> Opinions?
>
> Thanks,
> Axel
>
>
> Begin forwarded message:
>
>  *From: *Carlos Damásio <cd@di.fct.unl.pt>
> *Date: *21 September 2009 14:28:21 GMT+01:00
> *To: *"Polleres, Axel" <axel.polleres@deri.org>
> *Cc: *<public-rif-comments@w3.org>
> *Subject: **Re: EBNF grammar of presentation syntax*
>
>  Dear Axel,
>
> I acknowledge receipt of the email and agree with the (partial)
> solution.
> This is the simple and natural correction, and believe general enough
> for most purposes.
>
> However, notice that in this way is not possible to use arbitrary
> UNICODESTRINGs in names, NCNames only
> (some sentences in the documents produced by the WG assume general
> strings).
> So, there are some documents that can be expressed in the exchange
> syntax (i.e. XML) which cannot be represented in the
> presentation syntax. I don't know if this is a problem or not.
>
> Best regards,
>
> Carlos Viegas Damásio
>
>
>
> Em 2009/09/19, às 13:50, Axel Polleres escreveu:
>
> > Dear Carlos,
> >
> > Thanks for spotting this. We have updated the EBNF productions in
> > RIF FLD and BLD to only
> > allow NCNames (instead of arbitrary unicode strings) for localnames,
> > Prefix names,
> > Variable names and Profiles names, cf. [1,2,3]
> >
> > Please acknowledge receipt of this email to <
> mailto:public-rif-comments@w3.org <public-rif-comments@w3.org>
> > >
> > (replying to this email should suffice). In your acknowledgment
> > please let us
> > know whether or not you are satisfied with the working group's
> > response to your
> > comment.
> >
> > with best regards,
> > Axel
> >
> > 1.
> http://www.w3.org/2005/rules/wiki/FLD#EBNF_Grammar_for_the_Presentation_Syntax_of_RIF-FLD
> > 2.
> http://www.w3.org/2005/rules/wiki/BLD#EBNF_Grammar_for_the_Presentation_Syntax_of_RIF-BLD_.28Informative.29
> > 3.
> http://www.w3.org/2005/rules/wiki/DTB#Shortcuts_for_Constants_in_RIF.27s_Presentation_Syntax
> >
> > --
> > Dr. Axel Polleres
> > Digital Enterprise Research Institute, National University of
> > Ireland, Galway
> > email: axel.polleres@deri.org  url: http://www.polleres.net/
> >
> >
> >
>
>
>  --
> Dr. Axel Polleres
> Digital Enterprise Research Institute, National University of Ireland,
> Galway
> email: axel.polleres@deri.org  url: http://www.polleres.net/
>
>
>
>
Received on Monday, 21 September 2009 16:49:12 GMT

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