ed according to the implementation specific
 default error handling rules.
 
 <p>
 A validator may modify the outcome of a parse (for example by
 adding default values that were missing in documents), and a parser
 is responsible to make sure that the application will receive
 modified DOM trees.  
 
 <p>
 Initially, null is set as the <A HREF="../../../javax/xml/validation/Schema.html"><CODE>Schema</CODE></A>. 
 
 <p>
 This processing will take effect even if
 the <A HREF="../../../javax/xml/parsers/Docume