<rng:element name="variantEncoding"><rng:ref name="att.global.attributes"/><rng:attribute name="method"> <rng:choice> <rng:value>location-referenced</rng:value> <rng:value>double-end-point</rng:value> <rng:value>parallel-segmentation</rng:value> </rng:choice></rng:attribute><rng:attribute name="location"> <rng:choice> <rng:value>internal</rng:value> <rng:value>external</rng:value> </rng:choice></rng:attribute><rng:empty/></rng:element>
element variantEncoding { att.global.attributes, attribute method { "location-referenced" | "double-end-point" | "parallel-segmentation" }, attribute location { "internal" | "external" }, empty }