remove deprecated functions

README

@@ -22,7 +22,7 @@ Principle:
   produced script).
 
 Requirements:
-  OCaml (tested with version 4.02.0)
+  OCaml (requires 4.03.0, tested with version 4.09.0)
   Clingo 5 (tested with version 5.4.0)
 
 

main.ml

@@ -440,8 +440,8 @@ end ;;
 (***********************************)
 
 (** Translations to string **)
-let asp_of_var = String.capitalize ;;
-let asp_of_mult = String.capitalize ;;
+let asp_of_var = String.capitalize_ascii ;;
+let asp_of_mult = String.capitalize_ascii ;;
 let string_of_var = id ;;
 let string_of_mult = id ;;
 (*