There is a "schema for schemas" published as part of the XML Schema recommendation.Michael Kay
From: Suresh Joshee [mailto:sjoshee@gmail.com]
Sent: 10 September 2007 05:49
To: xml-dev@lists.xml.org
Subject: [xml-dev] XML Schema to EBNF
Hello All,I am trying to develope XML schema syntax checker. I am looking for EBNF form of W3C XML Schema. Anybody has an idea where to get that? I have been googling last couple of days and could not find relevant resources.Thanks in advance,Suresh