--- tools/build_html_index.sh.orig	2007-11-02 10:50:14.000000000 +0100
+++ tools/build_html_index.sh	2008-04-16 00:12:28.000000000 +0200
@@ -127,6 +127,7 @@
 
 ################
 
+mkdir -p $HTMLDIR/nviz
 #copy over CSS:
 cp -f grassdocs.css $HTMLDIR/
 cp -f grassdocs.css $HTMLDIR/nviz/