A system and method for enabling validation of an extensible markup language document having elements associated with two or more schemata where elements of each schema may be arbitrarily nested within elements from the other schema and each set of elements remains valid within it’s own schema. The new variety maintains its dark green foliage color under higher than normal light conditions, or low nutrient levels. , user-generated keywords; using the search request to search the tag information in the bookmark package database to locate relevant bookmarks and to generate search results; and presenting the search results to a user. A plurality of vanes extend radially outwardly from the central cone with the plurality of vanes being thickest at the input end and progressively thinning toward the output end. The method of operating the open-rotor engine comprises the step of supplying power to the startergenerator to drive the first spool via the first clutch to start the engine and, once the engine is self-propelling, a step of driving the startergenerator from the second spool via the second clutch to generate electricity. Also provided herein is a method of reducing intraocular pressure in a subject using such a combination or kit.