# File lib/libxml/parser.rb, line 56
      def self.io(io, options = {})
        context = XML::Parser::Context.io(io)
        context.base_uri = options[:base_uri] if options[:base_uri]
        context.encoding = options[:encoding] if options[:encoding]
        context.options = options[:options] if options[:options]
        self.new(context)
      end