NAME

       SVG::Extension - additional methods

   extension
       return the element object

   element_decl
       generate an element declaration in the DTD

   attribute_decl
       return generate an attribute list for an element

   attlist_decl
   notation_decl(%attrs)
       return an extension object of type NOTATION

   entity_decl(%attrs)
       return an extension object of type 'ENTITY'

   xmilfy
   render
       alias for xmlify

   to_xml
       alias for xmlify

   serialise
       alias for xmlify

   serialise
       alias for xmlify

   getDeclName
       Simply an alias for the general method for SVG::Extension objects

   getExtensionName
       alias to getDeclName

   getDeclNames
       return list of existing decl types by extracting it from the overall list of existing
       element types

       sub getDeclNames {

   getExtensionNames
       alias to getDeclNames