Security constraints determine how Web content is to be protected.
<xsd:simpleType name="http-methodType"> <xsd:annotation> <xsd:documentation> A HTTP method type as defined in HTTP 1.1 section 2.2. </xsd:documentation> </xsd:annotation> <xsd:restriction base="xsd:token"> <xsd:pattern value="[\p{L}-[\p{Cc}\p{Z}]]+"/> </xsd:restriction> </xsd:simpleType>This requires elements to be a token. Based upon the pattern value, tokens can contain any character except for control characters and separators.