13.8.5 AttributesImpl Objects 
AttributesImpl objects implement a portion of the mapping
protocol, and the methods copy(), get(),
has_key(), items(), keys(), and
values().  The following methods are also provided:
- getLength ()
 - 
  Return the number of attributes.
 
- getNames ()
 - 
  Return the names of the attributes.
 
- getType (name)
 - 
  Returns the type of the attribute name, which is normally
  
'CDATA'.
 
- getValue (name)
 - 
  Return the value of attribute name.
 
See About this document... for information on suggesting changes.