Add modgraph.py demo from Michael Hohn <mhhohn@lbl.gov>

diff --git a/tclpkg/gv/demo/modgraph.tcl b/tclpkg/gv/demo/modgraph.tcl
index 07e8d62a7bf8d123ac744d9c1758a32a0ab0294c..60f6acdf75fe139d164855fe92f8c41ba70b1a57 100755 (executable)
--- a/tclpkg/gv/demo/modgraph.tcl
+++ b/tclpkg/gv/demo/modgraph.tcl
@@ -2,6 +2,8 @@
 
 # display the kernel module dependencies 
 
+# author: John Ellson <ellson@research.att.com>
+
 package require gv
 
 set f [open /proc/modules r]