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diff --git a/src-wsl/transf-stack.wsl b/src-wsl/transf-stack.wsl
--- /dev/null
+++ b/src-wsl/transf-stack.wsl
@@ -0,0 +1,142 @@
+C:"
+Copyright (C) 2015 Doni Pracner http://perun.dmi.rs/pracner
+
+This program is free software; you can redistribute it
+and/or modify it under the terms of the GNU General Public
+License as published by the Free Software Foundation; either
+version 3 of the License, or (at your option) any later
+version.
+
+This program is distributed in the hope that it will be
+useful, but WITHOUT ANY WARRANTY; without even the implied
+warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+PURPOSE. See the GNU General Public License for more
+details.
+
+You should have received a copy of the GNU General Public
+License along with this program. If not, see
+<http://www.gnu.org/licenses/>.
+==========================================================";
+
+C:"This version was used for some experiments with stacks.
+
+It is left in here as an example of how some transformations
+can be applied.";
+MW_PROC @Process_Prog() ==
+
+ had_trans := 1;
+ WHILE had_trans > 0 DO
+
+ had_trans := 0;
+
+ C:"start of the program";
+ @Goto(< >);
+ C:"'manual' navigating to find the procedures";
+ DO IF @Spec_Type(@Item) = T_Proc THEN
+ IF @Trans?(TR_Stack_To_Par) THEN
+ had_trans := 1; PRINT("----- STACK TO PAR -------"); @Trans(TR_Stack_To_Par, "") FI; FI;
+ IF @Down? THEN @Down
+ ELSIF @Right? THEN @Right
+ ELSIF @Up?
+ THEN @Up; WHILE @Up? AND NOT @Right? DO @Up OD;
+ IF @Right? THEN @Right ELSE EXIT(1) FI
+ ELSE EXIT(1) FI OD
+ ;
+
+ ATEACH Statement DO
+ IF @Trans?(TR_Stack_To_Var) THEN
+ had_trans := 1; PRINT("----- STACK TO VAR -------"); @Trans(TR_Stack_To_Var,"")
+ FI
+ OD
+ OD;
+ SKIP
+END;
+
+C:"Here are some pieces that are not used, but could be
+useful in some experiments later";
+MW_PROC @Not_Used() ==
+ @Goto(< >);
+ IF @Trans?(TR_Remove_Redundant_Vars) THEN
+ @Trans(TR_Remove_Redundant_Vars,"") FI;
+ SKIP
+END;
+
+C:"----------------------------------------";
+
+C:"The rest of the code is loaders and similar procedures,
+very similar to other transf programs.";
+
+MW_PROC @Process_File(filename) ==
+ IF @File_Exists?(filename) THEN
+ @New_Program(@Parse_File(filename, T_Statements));
+ PRINT("Processing: ", filename);
+ prog := @Program;
+ @Process_Prog();
+ @Get_New_Name(VAR filename);
+ @PP_Item(@Program, 80, filename);
+ PRINT("<Metrics>");
+ PRINT(filename);
+ @Prog_Stat_Comp(prog, @Program);
+ PRINT("</Metrics>")
+ ELSE
+ PRINT("ERROR: File ",filename," not found");
+ FI
+END;
+
+MW_PROC @Get_New_Name(VAR str) ==
+ IF @Ends_With?(str, ".wsl") THEN
+ str := SUBSTR(str, 0, SLENGTH(str)-4)
+ FI;
+ str := str ++ "_t.wsl"
+END;
+
+MW_PROC @Prog_Stat_Comp(Pro, After VAR)==
+ VAR < ma := 0, mb :=1 > :
+ ma := @McCabe(Pro);
+ mb := @McCabe(After);
+ PRINT ("McCabe ", ma, " ", mb, " ",(mb-ma));
+ ma := @Stat_Count(Pro);
+ mb := @Stat_Count(After);
+ PRINT ("Statem ", ma, " ",mb, " ",(mb-ma));
+ ma := @CFDF_Metric(Pro);
+ mb := @CFDF_Metric(After);
+ PRINT ("CF/DF ", ma," ", mb," ", (mb-ma));
+ ma := @Total_Size(Pro);
+ mb := @Total_Size(After);
+ PRINT ("Size ", ma," ", mb, " ",(mb-ma));
+ ma := @Struct_Metric(Pro);
+ mb := @Struct_Metric(After);
+ PRINT ("Struct ", ma, " ",mb, " ",(mb-ma));
+ SKIP
+ ENDVAR
+END;
+
+VAR< prog := < >, inifilename := "transf.ini",
+ filename:="", file := "", inifile:= "",
+ Argv := @Argv
+>:
+C:"First one is the script name that is being executed";
+Argv := TAIL(Argv);
+
+IF Argv = < > THEN
+ PRINT("no arguments passed; using ",inifilename);
+ IF @File_Exists?(inifilename) THEN
+ inifile := @Open_Input_File(inifilename);
+ filename := @Read_Line(inifile);
+ WHILE NOT @EOF?(filename) DO
+ PRINT("");
+ @Process_File(filename);
+ filename := @Read_Line(inifile)
+ OD;
+ @Close_Input_Port(inifile);
+ ELSE
+ PRINT("ini file (",inifilename,") not found.",
+ " it should contain a list of filenames to be converted");
+ PRINT("OR you can give command line arguments to be processed");
+ FI
+ELSE
+ FOR arg IN Argv DO
+ @Process_File(arg);
+ OD
+FI
+ENDVAR
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