Restrictions

pattern

May be included in

(pattern), attribute, datatypeName param exceptPattern, element, list, mixed, pattern&pattern, pattern*, pattern+, pattern,pattern, pattern?, pattern|pattern

XML syntax equivalent

externalRef

Description

The external pattern is a reference to an external schema. This has the same effect as replacing the external pattern by the external schema considered as a pattern.

Example

element university { element name { text }, external "flat.rnc" }
element book { external "book.rnc" }