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Re: Comments on the WOFF Last Call

From: Aryeh Gregor <Simetrical+w3c@gmail.com>
Date: Wed, 5 Jan 2011 18:31:26 -0500
Message-ID: <AANLkTinwWzEpjBE=XV5WMv_jicWqh6wqjvo43zsPOBus@mail.gmail.com>
To: Stephen Zilles <szilles@adobe.com>
Cc: "www-style@w3.org list" <www-style@w3.org>
On Wed, Jan 5, 2011 at 12:09 AM, Stephen Zilles <szilles@adobe.com> wrote:
> 2.       In the uniqueid element in the Metadata section, there is a note:”
> The id attribute of the uniqueid element, and of several further metadata
> elements defined below, is not required to conform to the rules for the XML
> type ID; its form is at the discretion of the font creator or vendor.” It
> does not seem appropriate for a W3C spec to advocate violation of XML well
> formedness, especially since the uniqueid element is empty and could contain
> the unique ID as its value. Also, the conformance requirement summary for
> Metadata says, “The decompressed data MUST be well-formed XML.”

Well-formedness does not require that id's match XML's Name
production.  A generic XML processor doesn't even know whether a given
attribute is supposed to contain an id or not; the attribute name "id"
has no special meaning in XML.  If a DTD were provided for the WOFF
metadata format, it would want to declare the id attribute to be of
type CDATA, not ID -- but that would still be only a validity issue,
not a well-formedness issue.

Note that XHTML5 also doesn't require its id attribute to match XML's
Name production.
Received on Wednesday, 5 January 2011 23:33:07 GMT

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