638 	    (doc->extSubset == NULL)) return(0)
2010     if ((dtd->doc != NULL) && (dtd->doc->extSubset == dtd) &&  in xmlAddAttributeDecl()
2711     if ((doc->intSubset == NULL) && (doc->extSubset == NULL) &&  in xmlIsID()
2739 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlIsID()
2740 		attrDecl = xmlGetDtdAttrDesc(doc->extSubset, fullelemname,  in xmlIsID()
3053     if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) {  in xmlIsRef()
3063         if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlIsRef()
3064             attrDecl = xmlGetDtdAttrDesc(doc->extSubset,  in xmlIsRef()
3388     if ((notaDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateNotationUse()
3389 	notaDecl = xmlGetDtdNotationDesc(doc->extSubset, notationName);  in xmlValidateNotationUse()
3419     if ((elemDecl == NULL) && (doc->extSubset != NULL))  in xmlIsMixedElement()
3420 	elemDecl = xmlGetDtdElementDesc(doc->extSubset, name);  in xmlIsMixedElement()
3945 	    if ((nota == NULL) && (doc->extSubset != NULL))  in xmlValidateAttributeValue2()
3946 		nota = xmlGetDtdNotationDesc(doc->extSubset, value);  in xmlValidateAttributeValue2()
4006 	if ((attrDecl == NULL) && (doc->extSubset != NULL)) {  in xmlValidCtxtNormalizeAttributeValue()
4007 	    attrDecl = xmlGetDtdAttrDesc(doc->extSubset, fullname, name);  in xmlValidCtxtNormalizeAttributeValue()
4016     if ((attrDecl == NULL) && (doc->extSubset != NULL)) {  in xmlValidCtxtNormalizeAttributeValue()
4017 	attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, name);  in xmlValidCtxtNormalizeAttributeValue()
4094     if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidNormalizeAttributeValue()
4095 	attrDecl = xmlGetDtdAttrDesc(doc->extSubset, elem->name, name);  in xmlValidNormalizeAttributeValue()
4206 	} else if (doc->extSubset != NULL) {  in xmlValidateAttributeDecl()
4208 	    elem = xmlGetDtdElementDesc(doc->extSubset, attr->elem);  in xmlValidateAttributeDecl()
4337     tst = xmlGetDtdElementDesc(doc->extSubset, elem->name);  in xmlValidateElementDecl()
4402 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneAttribute()
4403 		attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, fullname,  in xmlValidateOneAttribute()
4407 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneAttribute()
4408 		attrDecl = xmlGetDtdAttrDesc(doc->extSubset,  in xmlValidateOneAttribute()
4418 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneAttribute()
4419 		attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, elem->name,  in xmlValidateOneAttribute()
4424 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneAttribute()
4425 		attrDecl = xmlGetDtdAttrDesc(doc->extSubset,  in xmlValidateOneAttribute()
4478 	    nota = xmlGetDtdNotationDesc(doc->extSubset, value);  in xmlValidateOneAttribute()
4581 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneNamespace()
4582 		attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, fullname,  in xmlValidateOneNamespace()
4587 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneNamespace()
4588 		attrDecl = xmlGetDtdAttrDesc(doc->extSubset, fullname,  in xmlValidateOneNamespace()
4598 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneNamespace()
4599 		attrDecl = xmlGetDtdQAttrDesc(doc->extSubset, elem->name,  in xmlValidateOneNamespace()
4604 	    if ((attrDecl == NULL) && (doc->extSubset != NULL))  in xmlValidateOneNamespace()
4605 		attrDecl = xmlGetDtdAttrDesc(doc->extSubset,  in xmlValidateOneNamespace()
4682 	    nota = xmlGetDtdNotationDesc(doc->extSubset, value);  in xmlValidateOneNamespace()
5710 	if ((elemDecl == NULL) && (doc->extSubset != NULL)) {  in xmlValidGetElemDecl()
5711 	    elemDecl = xmlGetDtdQElementDesc(doc->extSubset,  in xmlValidGetElemDecl()
5725 	if ((elemDecl == NULL) && (doc->extSubset != NULL)) {  in xmlValidGetElemDecl()
5726 	    elemDecl = xmlGetDtdElementDesc(doc->extSubset, elem->name);  in xmlValidGetElemDecl()
6661     oldExt = doc->extSubset;  in xmlValidateDtd()
6663     doc->extSubset = dtd;  in xmlValidateDtd()
6667 	doc->extSubset = oldExt;  in xmlValidateDtd()
6682     doc->extSubset = oldExt;  in xmlValidateDtd()
6761 	    elem = xmlGetDtdElementDesc(doc->extSubset, cur->elem);  in xmlValidateAttributeCallback()
6804     if ((doc->intSubset == NULL) && (doc->extSubset == NULL))  in xmlValidateDtdFinal()
6817     dtd = doc->extSubset;  in xmlValidateDtdFinal()
6850     if ((doc->intSubset == NULL) && (doc->extSubset == NULL)) {  in xmlValidateDocument()
6856 	(doc->intSubset->ExternalID != NULL)) && (doc->extSubset == NULL)) {  in xmlValidateDocument()
6869         doc->extSubset = xmlParseDTD(doc->intSubset->ExternalID,  in xmlValidateDocument()
6873         if (doc->extSubset == NULL) {  in xmlValidateDocument()
7027     if ((element_desc == NULL) && (parent->doc->extSubset != NULL))  in xmlValidGetValidElements()
7028         element_desc = xmlGetDtdElementDesc(parent->doc->extSubset,  in xmlValidGetValidElements()