Index: src/tre/tre
===================================================================
--- src/tre/tre	(revision 3b02b04ff9c7c3446ca477cd84c2bc7f737c38b4)
+++ src/tre/tre	(revision b97a55609b527df1f92edbe0c70d03a6385c0132)
@@ -21,5 +21,5 @@
 $helptext=
 "The program generates trees from the graph output by dgp. dgp must\n"+
-"must be run with '-i ds' option.\n\n"+
+"must be run with '--info=ds' option.\n\n"+
 "Command:       tre [options]\n\n"+
 "Options:\n"+
@@ -269,5 +269,5 @@
 
     if parts[3]==nil || parts[4]==nil || parts[5]==nil
-      $stderr.print "ERR: tre requires dgp be called with '--info s' option. Aborting.\n"
+      $stderr.print "ERR: tre requires dgp be called with '--info=ds' option. Aborting.\n"
       exit
     end
@@ -280,7 +280,9 @@
     $arcs |= parts[2].split(',').map{ |a| case a 
                                           when /\-\-(\w+)-(\d+)\((\d+)~(\d+)\)/
-                                            [i, $2.to_i, $1, $3.to_i, $4.to_i]
+                                            # [i, $2.to_i, $1, $3.to_i, $4.to_i]
+                                            [i, $2.to_i, $1, 0, 0]
                                           when /\+\+(\w+)-(\d+)\((\d+)~(\d+)\)/
-                                            [$2.to_i, i, $1, $3.to_i, $4.to_i]
+                                            # [$2.to_i, i, $1, $3.to_i, $4.to_i]
+                                            [$2.to_i, i, $1, 0, 0]
                                           end }
     $succ |= parts[3][1..-2].split(',').map{|x| [x.to_i,i]}