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Re: BLD: externally defined frames

From: Michael Kifer <kifer@cs.sunysb.edu>
Date: Fri, 27 Jun 2008 17:31:22 -0400
To: Gary Hallmark <gary.hallmark@oracle.com>
Cc: Chris Welty <cawelty@gmail.com>, "Public-Rif-Wg (E-mail)" <public-rif-wg@w3.org>
Message-ID: <20080627173122.308aec76@kiferdesk>



On Fri, 27 Jun 2008 14:15:21 -0700
Gary Hallmark <gary.hallmark@oracle.com> wrote:

> Because DTB defines no external frames, this feature is not usable in 
> "strict BLD mode", right?

Yes. None of the extensibility features are allowed in strict bld mode.
Not even predicate-based user-defined builtins. So, it is not really an issue
with external frames per se.

Strict bld mode is at risk, by the way.


	--michael  

> 
> Michael Kifer wrote:
> > The purpose of using external frames is exactly the same as that of using
> > external predicates. It is just a different interface. It can be provided for
> > external objects, while external predicates is an interface for the regular
> > (non-object-oriented) builtin calls.
> >
> > I would like to better understand what you and Christian had in mind. From the
> > F2F I understood that csma had right understanding of the purpose of that
> > feature. If the added wording is not what he expected then maybe it can be
> > improved (once I understand what is confusing there).
> >
> >
> > 	--michael  
> >
> > On Fri, 27 Jun 2008 12:05:10 -0400
> > Chris Welty <cawelty@gmail.com> wrote:
> >
> >   
> >> Christian and I read the new text explaining external frames in BLD 
> >> [http://www.w3.org/2005/rules/wiki/BLD#Terms] and although we each had a 
> >> different understanding of what external frames were, it matched neither, which 
> >> is problematic.
> >>
> >> Given the time constraints I think the only choice is to leave that text as is 
> >> but label it at-risk for last call & open an issue.  Then we can discuss it 
> >> further during the summer.  We hope to propose and resolve that quickly - I 
> >> specifically don't want to get dragged into a lengthy discussion of what 
> >> external frames are, just a quick decision to label at risk so we can publish, 
> >> and we'll have the lengthy discussion later.
> >>
> >> -Chris
> >>
> >>     
> >
> >   
> 
Received on Friday, 27 June 2008 21:32:08 GMT

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