LAXNG_ERR_DATAELEM</a> = 28
    <a name="XML_RELAXNG_ERR_VALELEM" id="XML_RELAXNG_ERR_VALELEM">XML_RELAXNG_ERR_VALELEM</a> = 29
    <a name="XML_RELAXNG_ERR_LISTELEM" id="XML_RELAXNG_ERR_LISTELEM">XML_RELAXNG_ERR_LISTELEM</a> = 30
    <a name="XML_RELAXNG_ERR_DATATYPE" id="XML_RELAXNG_ERR_DATATYPE">XML_RELAXNG_ERR_DATATYPE</a> = 31
    <a name="XML_RELAXNG_ERR_VALUE" id="XML_RELAXNG_ERR_VALUE">XML_RELAXNG_ERR_VALUE</a> = 32
    <a name="XML_RELAXNG_ERR_LIST" id="XML_RELAXNG_ERR_LIST">XML_RELAXNG_ERR_LIST</a