--- a/Makefile	Fri Dec 30 19:54:54 2005 -0500
+++ b/Makefile	Tue Jan 24 13:23:44 2006 -0500
@@ -1,11 +1,11 @@
 TOP=$(shell pwd)
 PACKAGE=nargir
 MAIN_FILE=$(PACKAGE).xml
-DEPENDS=nargir.xml \
-	preface.xml \
-	7dragons.xml \
-	bete.xml \
-	gardien.xml \
+DEPENDS=nargir.xml				\
+	preface.xml				\
+	7dragons.xml				\
+	bete.xml				\
+	gardien.xml				\
 	genese.xml
 DEPENDS:=$(addprefix book1/,$(DEPENDS))
 SGML_CATALOG_FILES=/etc/sgml/catalog
@@ -18,6 +18,9 @@
 	mkdir -p $(INSTALL_DIR)
 	cp -a $(OUTPUT) $(INSTALL_DIR)
 
+validate:
+	xmllint --xinclude --noout --postvalid $(MAIN_FILE)
+
 $(PACKAGE): $(PACKAGE)/index.html
 
 $(PACKAGE).fo: $(DEPENDS)