* lib/rss/rss.rb: RSS::Element#initialize accepts initial

attributes.
* lib/rss/0.9.rb: ditto.
* lib/rss/1.0.rb: ditto.
* lib/rss/2.0.rb: ditto.
* lib/rss/dublincore.rb: ditto.
* lib/rss/image.rb: ditto.
* lib/rss/taxonomy.rb: ditto.
* lib/rss/trackback.rb: ditto.

* lib/rss/utils.rb: added Utils.element_initialize_arguments? to
  detect backward compatibility initial arguments.

* lib/rss/parser.rb: user initial attributes to initialize
  RSS::Element.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@10317 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

lib/rss/parser.rb

@@ -377,8 +377,7 @@ module RSS
 
       check_ns(tag_name, prefix, ns, klass.required_uri)
 
-      args = []
-      
+      attributes = {}
       klass.get_attributes.each do |a_name, a_uri, required|
 
         if a_uri.is_a?(String) or !a_uri.respond_to?(:include?)
@@ -407,12 +406,11 @@ module RSS
           raise MissingAttributeError.new(tag_name, a_name)
         end
 
-        args << val
+        attributes[a_name] = val
       end
 
       previous = @last_element
-      next_element = klass.new(*args)
-      next_element.do_validate = @do_validate
+      next_element = klass.new(@do_validate, attributes)
       previous.instance_eval {set_next_element(tag_name, next_element)}
       @last_element = next_element
       @proc_stack.push Proc.new { |text, tags|