diff --git a/stylesheets/lfs-xsl/pdf.xsl b/stylesheets/lfs-xsl/pdf.xsl
index 6dfb64c..3f7b096 100644
--- a/stylesheets/lfs-xsl/pdf.xsl
+++ b/stylesheets/lfs-xsl/pdf.xsl
@@ -88,6 +88,10 @@
Set to 0 to prevent duplicate e-mails in the Acknowledgments pages. -->
+
+ auto
+ 1
+