DTr1 URL

URL Universal Resource Locator

Datatype Release 1	Realm

==Registered Attributes and Child Elements==

@Attribute / Element	Cardinality	Datatype
@value	optional	st
@nullFlavor	optional	cs

Core Schematron Rules (CSR)

The following rules are defined in the base core schematrons.

Rule ID: URL Extends Rule(s): ANY Constraints dtr1-1-URL: elements of type URL SHALL have a @value attribute. dtr1-2-URL: @value must be a valid URI, e.g. '<value-of select="iri-to-uri(@value)"/>'.

Additional Strict Schematron Rules (SSR)

The following rules are defined in the strict mode of core schematrons.

Constraints dtr1-4-URL: [RIM-001] <value-of select="$name"/> SHALL NOT have nullFlavor, if there are other <value-of select="$name"/> elements which are not null dtr1-5-URL: [RIM-002] <value-of select="$name"/> (<value-of select="$value"/>) SHALL be distinct