Index: mttroot/mtt/bin/trans/mtt_p2cc
==================================================================
--- mttroot/mtt/bin/trans/mtt_p2cc
+++ mttroot/mtt/bin/trans/mtt_p2cc
@@ -34,11 +34,11 @@
 
 cat > $sys_rep.cc <<EOF
 #include <octave/oct.h>
 
 DEFUN_DLD ($sys_rep, args, ,
-	   "$sys_rep was generated by MTT on $date")
+	   "Usage: $sys_rep(x,u,t,par)\n$sys_rep was generated by MTT on $date")
 {
   ColumnVector mttx = args(0).vector_value ();
   ColumnVector mttu = args(1).vector_value ();
   double mttt = args(2).double_value ();
   ColumnVector mttpar = args(3).vector_value ();
@@ -58,11 +58,11 @@
     cseo)
 	echo "  ColumnVector mtty ($Ny);" >> $sys_rep.cc
 	;;
     smx | smxa | smxax)
         Nxx=`echo "$Nx*$Nx" | bc`
-	echo "  ColumnVector mtta ($Nxx);" >> $sys_rep.cc
+	echo "  Matrix mtta ($Nx,$Nx);" >> $sys_rep.cc
 	echo "  ColumnVector mttax ($Nx);" >> $sys_rep.cc
 	;;
     *)
 	
 esac
@@ -69,19 +69,20 @@
 
 #Extract Type info
 echo '/* Types */'                >> $sys_rep.cc
 grep typedef $sys_rep.C              >> $sys_rep.cc
 
-#Extract the rep code and  converting [] to () and deleting mtt variables etc
+#Extract the rep code converting [] to () and deleting mtt variables etc
+#The awk part detects the begin and end of the relevant code.
 echo "/* Representation $rep information */" >> $sys_rep.cc
 awk '{
-  if ($1=="}") writing=0;
-  if ( (writing)&&(match($2,"mtt")!=1) ) print $0;
+  if ( (match($1,"}")==1)&&(NF>1)) writing=0;
+  if ( (writing) && !(match($2,"mtt[a-z]")==1) ) print $0;
   if (match($1,"{")==1) writing=1;
 }' <$sys_rep.C |\
-sed 's/\[\([0-9]*\)\]/(\1)/g' |\
-sed 's/\[\(mmtti\)\]/(\1)/g' >> $sys_rep.cc
+sed 's/\[\([a-z0-9_]*\)\]\[\([a-z0-9_]*\)\]/(\1,\2)/g' |\
+sed 's/\[\([a-z_0-9]*\)\]/(\1)/g' >> $sys_rep.cc
 
 # Tail
 cat >> $sys_rep.cc <<EOF
 
 EOF
@@ -109,9 +110,10 @@
 	
 esac
 
 # Terminating }
 echo "}" >> $sys_rep.cc;
+
 # Convert to octave loadable code
 echo Creating $sys_rep.oct
 mkoctfile $sys_rep.cc