Index: mttroot/mtt/bin/mtt
==================================================================
--- mttroot/mtt/bin/mtt
+++ mttroot/mtt/bin/mtt
@@ -12,10 +12,13 @@
 ###############################################################
 ## Version control history
 ###############################################################
 ## $Header$
 ## $Log$
+## Revision 1.152  1998/05/24 15:43:10  peterg
+## Added symbolic solution of alg. equations (-A)
+##
 ## Revision 1.151  1998/05/23 16:18:37  peterg
 ## ordinary differential equation.m files generated with the new ode2lang
 ## method.
 ##
 ## Revision 1.150  1998/05/19 19:47:37  peterg
@@ -520,14 +523,18 @@
 ##
 ## Revision 1.1  1996/08/04 17:29:42  peter
 ## Initial revision
 ##
 ###############################################################
+
 
 #Check $MTTPATH has been set
 mtt_check_var "$MTTPATH" "MTTPATH"
 
+#Version
+version='2.9++'
+
 # MTT recursion level is zero unless explicitly set
 level=0
 
 #Computation mode is octave by default
 computation=octave
@@ -590,20 +597,24 @@
                 mtt_switches="$mtt_switches $1";
 		level=$2; shift ;;
 	-A )
                 mtt_switches="$mtt_switches $1";
                 Solving='Solving';;
+        --version)                
+                echo MTT $version; exit;;
+        --versions)                
+                mtt_versions; exit;;
 	*)
 		echo "$1 is an invalid argument - ignoring" ;;
   esac
   shift
 done
 
 #Print header if not in quiet (-q) mode.
 if [ "$quiet" != "quiet" ]; then
   echo
-  echo 'MTT (Model Transformation Tools) version 2.9++'
+  echo 'MTT (Model Transformation Tools) version' $version
   echo '($Date$)'
   echo 'This is free software with ABSOLUTELY NO WARRANTY.'
   echo 'Type `mtt warranty'\' 'for details.'
   echo
   # Print current directory if in -d mode
@@ -648,10 +659,12 @@
     echo '         -t  tidy mode (default)'
     echo '         -u  untidy mode (leaves files in current dir)'
     echo '         -d  <dir>  use directory <dir>'
     echo '         -D  debug -- leave log files etc'
     echo '         -A  solve algebraic equations symbolically'
+    echo '         --version print version and exit'
+    echo '         --versions print version of mtt and components and exit'
     exit
   fi
 fi