added mkdir commands

git-svn-id: http://svn.linuxfromscratch.org/LFS/trunk/BOOK@1732 4aa44e1e-78dd-0310-a6d2-fbcd4c07a689

README

@@ -8,6 +8,8 @@ XML to HTML:
 ------------
 Create a directory in which you want to store the HTML files and cd into 
 that directory. Now run:
+
+	mkdir -p chapter0{1,2,3,4,5,6,7,8,9} preface appendix{a,b} &&
 	/usr/bin/openjade -t xml \
 		-d /usr/share/dsssl/docbook/html/lfs.dsl \
 		/usr/share/dsssl/docbook/dtds/decls/xml.dcl \