Improve is_error() so we can check for state of specified query

Aleksander Machniak

2012-08-08 ea08d4c9617b2ffd36a53d3759e102a3c52ef69b

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<?php
require_once 'Net/IDNA2/Exception.php';
 
class Net_IDNA2_Exception_Nameprep extends Net_IDNA2_Exception
{
}