• To: "'Sudheshna Iyer'" <sudheshnaiyer@h...>,<xml-dev@l...>
• Subject: RE: Question on Allowing null values iin DTD
• From: "Michael Kay" <mike@s...>
• Date: Tue, 29 Nov 2005 19:33:43 -0000
• In-reply-to: <BAY112-F168045A1B6099A7F457EE5B34B0@p...>
• Thread-index: AcX02cDS7z+WCxgiRnS8F5ojwBHcmgAQbppA

> How can I declare that element in DTD allows null values?

You can represent absent data using an absent element, or using an element
with no content.

You can also represent it using the xsi:nil attribute if you really want
(but no-one does).

It's up to you.

Michael Kay
http://www.saxonica.com/

• References:
  • Question on Allowing null values iin DTD
    • From: "Sudheshna Iyer" <sudheshnaiyer@h...>

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