         Tag = @xml.Tag
         class ExtendedTag
             constructor: ->
-                fill_with_tags this, opts.schema
+                ff this, opts.schema
                 Tag.apply this, arguments
         @xml.Tag = @xml.opts.Tag = ExtendedTag
         for name, method of Tag::

        schema_input = opts.schema
        s = aliases[schema_input] or schema_input or 'xml'
        opts.self_closing = self_closing[s]?(opts)
        opts.schema = schema[s]?(opts)
        opts.end ?= on

        class ExtendedBuilder
            constructor: ->
                fill_with_tags this, opts.schema
                Builder.apply this, arguments
        for name, method of Builder::
            ExtendedBuilder::[name] = method

    'xhtml-frameset':'frameset'
    'xhtml-trasitional':'transitional'

##
# i made these function name short ,
# because its a little bit faster than with long names

pp = (tag, name) -> # populate tag with specific child tag genertor
    tag[    name] = -> tag.tag.apply  this, [name].concat arguments
    tag["$"+name] = -> tag.$tag.apply this, [name].concat arguments

ff = (tag, tags) -> # fill with tags
    for tagname in tags
        pp tag, tagname if tagname
    return tag


