PathExpr (REXML::XPathParser)

    # File rexml/xpath_parser.rb, line 221
      def PathExpr path, nodeset
    			#puts "PathExpr( #{path}, #{puta nodeset} )" if DEBUG
    			p,n = FilterExpr path, nodeset
    			#puts "After FilterExpr p is '#{p}' and n is #{puta n}" if DEBUG
    			return [p,n] if p.size == 0
    			# p is now '/' '/'? RelativeLocationPath
    			if p =~ /^\?/
    				if $& == '//'
    					p = "descendant-or-self::#$'"
    				else
    					p = $'
    				end
    				#puts "CALLING RELATIVELOCATIONPATH" if DEBUG
    				return RelativeLocationPath p, n
    			end
    			return LocationPath p, nodeset if p =~ /^[\\\\]/
    			return [p, n]
    		end