tag_end (REXML::SAXHelper)

    # File rexml/sax2parser.rb, line 131
      def tag_end name
    			@tag_stack.pop
    			name =~ Namespace::NAMESPLIT
    			prefix = $1
    			local = $2
    			uri = get_namespace prefix
    			# find the observers for start_element
    			procs = get_procs( end_element:end_element, name )
    			listeners = get_listeners( end_element:end_element, name )
    			# notify observers
    			procs.each { |ob| ob.call( uri, local, name ) }
    			listeners.each { |ob| ob.end_element( uri, local, name ) }

    			namespace_mapping = @namespace_stack.pop
    			# find the observers for namespaces
    			procs = get_procs( end_prefix_mapping:end_prefix_mapping, name )
    			listeners = get_listeners( end_prefix_mapping:end_prefix_mapping, name )
    			if procs.size > 0 or listeners.size > 0
    				namespace_mapping.each do |prefix, uri|
    					# notify observers of namespaces
    					procs.each { |ob| ob.call( prefix ) }
    					listeners.each { |ob| ob.end_prefix_mapping(prefix) }
    				end
    			end
    		end