 of 
 errors and warnings defined by this specification are: 
 <dl>
 <dt> 
 <code>"check-character-normalization-failure" [error]</code> </dt>
 <dd> Raised if 
 the parameter "<a href='http://www.w3.org/TR/DOM-Level-3-Core/core.html#parameter-check-character-normalization'>
 check-character-normalization</a>" is set to true and a string is encountered that fails normalization 
 checking. </dd>
 <dt><code>"doctype-not-allowed" [fatal]</code></dt>
 <dd> Raised if the 
 configuration parameter "disallow-doctyp