Index: mttroot/mtt/bin/mtt
==================================================================
--- mttroot/mtt/bin/mtt
+++ mttroot/mtt/bin/mtt
@@ -9,16 +9,21 @@
 
 # P.J.Gawthrop Oct 1989, Dec 1989, 1990, 1991, Oct 1993, Dec 1993, Jan 1994, Dec 95, Nov 1996.
 # Copyright (c) P.J.Gawthrop, 1989, 1990, 1991, 1993, 1994, 1995, 1996, 1997,1998,1999
 # Copyright (C) 2000 by Peter J. Gawthrop
 # Copyright (C) 2001 by Peter J. Gawthrop
+
 
 ###############################################################
 ## Version control history
 ###############################################################
 ## $Header$
 ## $Log$
+## Revision 1.419  2014/04/18 02:02:08  gawthrop
+## Added sum.tex representation -- this was in a very old MTT and
+## summerises the structure.
+##
 ## Revision 1.418  2013/07/19 05:40:26  gawthrop
 ## Added -nas (No alphabetic sort) switch in help options
 ##
 ## Revision 1.417  2008/07/22 17:37:01  geraint
 ## Fixed case of MTT_EXAMPLES
@@ -1537,10 +1542,13 @@
 #Initialise list of switches
 mtt_switches='';
 
 #Initialise read dirs
 read_dirs=''
+
+#Initialise view_level
+viewlevel=0
 
 #Look for a command line argument
 while [ -n "`echo $1 | grep '^-'`" ]; do
   case $1 in
 	-q )
@@ -2376,11 +2384,11 @@
 	fi
     fi
    mkdir -p MTT_work
    valid_files=`ls | grep -v '^MTT'`
    ##cp -p -u  Makefile Make *.* .* MTT_work  2>/dev/null
-   cp -p -u -R ${valid_files} MTT_work  2>/dev/null
+   cp -p -u -R --force ${valid_files} MTT_work  2>/dev/null
 
    # Go to MTT_work
    cd MTT_work
 
    if [ -f ".octaverc" ]; then