unnormalize (REXML::Parsers::BaseParser)

    # File temp/parsers/baseparser.rb, line 399
                            def unnormalize( string, entities=nil, filter=nil )
                                    rv = string.clone
                                    rv.gsub!( /\r\n?/, "\n" )
                                    matches = rv.scan( REFERENCE_RE )
                                    return rv if matches.size == 0
                                    rv.gsub!( /&#0*((?:\d+)|(?:x[a-fA-F0-9]+));/ ) {|m|
                                            m=$1
                                            m = "0#{m}" if m[0] == ?x
                                            [Integer(m)].pack('U*')
                                    }
                                    matches.collect!{|x|x[0]}.compact!
                                    if matches.size > 0
                                            matches.each do |entity_reference|
                                                    unless filter and filter.include?(entity_reference)
                                                            entity_value = entity( entity_reference, entities )
                                                            if entity_value
                                                                    re = /&#{entity_reference};/
                                                                    rv.gsub!( re, entity_value )
                                                            end
                                                    end
                                            end
                                            matches.each do |entity_reference|
                                                    unless filter and filter.include?(entity_reference)
                                                            er = DEFAULT_ENTITIES[entity_reference]
                                                            rv.gsub!( er[0], er[2] ) if er
                                                    end
                                            end
                                            rv.gsub!( /&amp;/, '&' )
                                    end
                                    rv
                            end