Security fix for CVE-2013-2208 tpp: Possibility of arbitrary code execution
when processing untrusted TPP template.

https://bugzilla.redhat.com/show_bug.cgi?id=976684

--- doc/tpp.1.orig	Mon Apr 23 11:12:21 2007
+++ doc/tpp.1	Sun Jun 23 18:31:38 2013
@@ -20,6 +20,8 @@ LaTeX conversion and more.
 .TP
 -l output.tex input.tpp converts tpp slides into tex 
 .TP
+-x allow usage of "--exec"
+.TP
 -v/--version display version number
 
 .SH KEYS