The id of the node. For property-def nodes, its the name of the attribute. The type of the property's value. The description of the property. The syntax of a property's value. The sorted list of space separated values applicable of the property when the type of the property is enum or enum-length. The definition of a CSS attribute The collection of known attributes. The version of the metadata format. Currently the only format allowed is 'VS8' The CSS metadata to be used.