xmlSchemaPCustomErr(xmlSchemaParserCtxtPtr ctxt,
		    xmlParserErrors error,
		    xmlSchemaBasicItemPtr item,
		    xmlNodePtr itemElem,
		    const char *message,
		    const xmlChar *str1)
{
    xmlSchemaPCustomErrExt(ctxt, error, item, itemElem, message,
	str1, NULL, NULL);
}
xmlSchemaPCustomErr(xmlSchemaParserCtxtPtr ctxt,
		    xmlParserErrors error,
		    xmlSchemaBasicItemPtr item,
		    xmlNodePtr itemElem,
		    const char *message,
		    const xmlChar *str1)
{
    xmlSchemaPCustomErrExt(ctxt, error, item, itemElem, message,
	str1, NULL, NULL);
}