(* Modula-3 *) INTERFACE M3Sample; (* file extension ".i3" *)

(* This is a comment *)

(* This is a comment ...
   ... spanning more than one line *)

CONST
  sqString = 'this is a string within "a string" ...\n';
  dqString = "this is a string within 'a string' ...\n";
  
END M3Sample.