Add \versionid.

[sgt/halibut] / doc / index.but

diff --git a/doc/index.but b/doc/index.but
index ccd2784..40eee6e 100644 (file)
--- a/doc/index.but
+++ b/doc/index.but
@@ -1,3 +1,5 @@
+\versionid $Id$
+
 \IM{Windows Help} Windows Help
 \IM{Windows Help} Help, Windows