W3C home > Mailing lists > Public > public-vocabs@w3.org > November 2012

Re: Markup Spread on Multiple Pages

From: Dan Brickley <danbri@danbri.org>
Date: Wed, 31 Oct 2012 18:15:39 -0700
Message-ID: <CAFfrAFrytyj7zGqB18yn9wozPpoCdxsT9mXNTm7YMEnh-QdtnA@mail.gmail.com>
To: Robert Schroeder <bobsc@charter.net>
Cc: "public-vocabs@w3.org" <public-vocabs@w3.org>
To some extent we've inherited URL/URI terminology woes from HTML5, via
Microdata. See


Excerpting from http://dev.w3.org/html5/spec/urls.html#terminology-0

2.6.1 Terminology

A URL is a string used to identify a resource.

A URL <http://dev.w3.org/html5/spec/urls.html#url> is a valid URL if at
least one of the following conditions holds:


   The URL <http://dev.w3.org/html5/spec/urls.html#url> is a valid URI
   reference [RFC3986]<http://dev.w3.org/html5/spec/references.html#refsRFC3986>

   The URL <http://dev.w3.org/html5/spec/urls.html#url> is a valid IRI
   reference and it has no query component.

   The URL <http://dev.w3.org/html5/spec/urls.html#url> is a valid IRI
   reference and its query component contains no unescaped non-ASCII
   characters. [RFC3987]<http://dev.w3.org/html5/spec/references.html#refsRFC3987>

   The URL <http://dev.w3.org/html5/spec/urls.html#url> is a valid IRI
   reference and the character
   the URL's Document <http://dev.w3.org/html5/spec/dom.html#document> is
   UTF-8 or a UTF-16
   . [RFC3987] <http://dev.w3.org/html5/spec/references.html#refsRFC3987>"

On 31 October 2012 16:12, Robert Schroeder <bobsc@charter.net> wrote:

>   VERY Confusing.
> *Since when is “urn:isbn:0-330-34032-8” a URL?*
> http://www.w3.org/TR/2012/WD-microdata-20121025/#global-identifiers-for-items
Received on Thursday, 1 November 2012 01:16:07 UTC

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