OASIS Mailing List ArchivesView the OASIS mailing list archive below
or browse/search using MarkMail.


Help: OASIS Mailing Lists Help | MarkMail Help



   Re: Attribute type NMTOKEN

[ Lists Home | Date Index | Thread Index ]
  • From: "John E. Simpson" <simpson@polaris.net>
  • To: xml-dev@ic.ac.uk
  • Date: Fri, 08 May 1998 09:50:11 -0400

At 02:13 PM 5/8/98 +0200, Ron Bourret wrote:
>Why does the attribute type NMTOKEN exist and how is it intended to be
used?  My 
>best guess is that it is the same as an enumerated type, except that the  
>enumeration is not actually specified in the DTD, perhaps because it is
meant to 
>be open-ended or is too big to list, such as all words in the English
>Is this true?

As I understand it (would appreciate being corrected if wrong), NMTOKEN
essentially applies a constraint on the form of the attribute's value (i.e.
value must be a valid name token -- start with either a letter or an
underscore) without constraining the *specific* value. So yes, your
"open-ended or... too big to list" assumption is correct, with the
qualification that a type of NMTOKEN would not allow a value such as

xml-dev: A list for W3C XML Developers. To post, mailto:xml-dev@ic.ac.uk
Archived as: http://www.lists.ic.ac.uk/hypermail/xml-dev/
To (un)subscribe, mailto:majordomo@ic.ac.uk the following message;
(un)subscribe xml-dev
To subscribe to the digests, mailto:majordomo@ic.ac.uk the following message;
subscribe xml-dev-digest
List coordinator, Henry Rzepa (mailto:rzepa@ic.ac.uk)


News | XML in Industry | Calendar | XML Registry
Marketplace | Resources | MyXML.org | Sponsors | Privacy Statement

Copyright 2001 XML.org. This site is hosted by OASIS