You can't do this using DTDs. XML Schema was invented to fill this gap.

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

> -----Original Message-----
> From: Sudheshna Iyer [mailto:sudheshnaiyer@h...] 
> Sent: 06 January 2007 15:48
> To: xml-dev@l...
> Subject: [xml-dev] Data length validations using DTD
> 
> How do I do the data length validations in DTD?
> 
> I want to restrict an element length using DTD. I was given 
> only the DTD and not the schema by our client and they 
> provided the doc with length restrictions.
> 
> DTD contains elements like the following:
> 
> <!ELEMENT myelement (#PCDATA)>
> 
> <!ELEMENT ShipTo (myelement)>
> 
> But "myelement" length should be restricted to 100 char. How 
> can I achieve this?
> 
> Thank you.
> 
> Sudheshna
> 
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