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Re: ISSUE-18: How do we parse "18." in Turtle?

From: Alex Hall <alexhall@revelytix.com>
Date: Wed, 30 Mar 2011 22:25:36 -0400
Message-ID: <AANLkTi=N5_oL4EMZ6FWF3Hgeo8kr4XbjecjoDTCLD3GD@mail.gmail.com>
To: Pat Hayes <phayes@ihmc.us>
Cc: Peter Frederick Patel-Schneider <pfps@research.bell-labs.com>, nathan@webr3.org, public-rdf-wg@w3.org
On Wed, Mar 30, 2011 at 6:00 PM, Pat Hayes <phayes@ihmc.us> wrote:

> If it ain't broken, don't fix it. And if nobody noticed this until now, I
> submit that it is not broken.
>
> Pat
>

It ain't broken in SPARQL because of the explicitly stated rule that longest
match wins, meaning there's only one way to tokenize a sequence of
characters.

I'm fine with using the same rule in Turtle, but I don't see any such
language in the Jan 2010 editor's draft.

-Alex



>
> On Mar 30, 2011, at 3:41 PM, Peter Frederick Patel-Schneider wrote:
>
> > From: Nathan <nathan@webr3.org>
> > Subject: Re: ISSUE-18: How do we parse "18." in Turtle?
> > Date: Wed, 30 Mar 2011 15:18:55 -0500
> >
> >> Andy Seaborne wrote:
> >>> By the way, this is not the only place that "longest token" is
> important:
> >>>
> >>> { :x :p18. }
> >>>
> >>> is that ":p1 8."  or ":p 18" or ":p18" and an error?  That has not been
> >>> a practical issue raised.
> >>
> >> Goodness, you're right, I've just noticed that there's hardly any white
> >> space requirements in the EBNF, which means a whole lot of garbage can
> >> be produced of course, for example this is a list of three integers
> (123).
> >>
> >> Needs fixed.
> >
> > I don't think that lists *need* to be fixed.  See one of my earlier
> > message for more on this.
> >
> > This is separate from *should" be fixed, but I don't think that this
> > should be fixed either.
> >
> > peter
> >
> >
>
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Received on Thursday, 31 March 2011 02:26:09 UTC

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