# File rexml/text.rb, line 177 def Text::normalize( input, doctype=nil ) copy = input.clone # Doing it like this rather than in a loop improves the speed if doctype copy.gsub!( EREFERENCE, '&' ) doctype.entities.each_value do |entity| copy.gsub!( entity.value, "&#{entity.name};" ) if entity.value end else copy.gsub!( EREFERENCE, '&' ) DocType::DEFAULT_ENTITIES.each_value do |entity| copy.gsub!(entity.value, "&#{entity.name};" ) end end copy end