Index: mttroot/mtt/lib/examples/Mechanical/Mechanical-2D/Pendulum/Pendulum_lbl.txt
==================================================================
--- mttroot/mtt/lib/examples/Mechanical/Mechanical-2D/Pendulum/Pendulum_lbl.txt
+++ mttroot/mtt/lib/examples/Mechanical/Mechanical-2D/Pendulum/Pendulum_lbl.txt
@@ -1,14 +1,23 @@
-%SUMMARY Pendulum example from Section 10.3 of "Metamodelling"
-%DESCRIPTION <Detailed description here>
+%SUMMARY pendulum: Pendulum example from Section 10.3 of "Metamodelling"
+%DESCRIPTION This is a heirachical version of the 
+%DESCRIPTION example from Section 10.3 of "Metamodelling".
+%DESCRIPTION It uses two compound components: ROD and GRA
+%DESCRIPTION ROD is essentially as described in Figure 10.2
+%DESCRIPTION GRAV represents gravity by a vertical accelleration
+%DESCRIPTION as in Section 10.9 of "Metamodelling".
+
 %% Label file for system pend (pend_lbl.txt)
 
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % %% Version control history
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 % %% $Id$
 % %% $Log$
+% Revision 1.1  1996/11/09  18:44:58  peterg
+% Initial revision
+%
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 %% Each line should be of one of the following forms:
 %	a comment (ie starting with %)
 %	Component-name	CR_name	arg1,arg2,..argn
@@ -17,20 +26,21 @@
 %Rod parameters
 rod	none	l;l;j;m
 
 %Zero velocity sources
 v_x	internal	0
-v_y	internal	0
 
 %Zero force/torque sources
 F_x	0	internal
 F_y	0	internal
 F_a	0	internal
-F_cx	0	internal
 
 %Torque at end
 f_a	external external
 
 %Gravity
-F_cy	mg	internal
+gravity
+
+
+