Natools

   function Is_Newline
     (Data : in Atom;
      Position : in Offset;
      Encoding : in Newline_Encoding)
      return Boolean;
      --  Check whether Data contains a newline at Position

   procedure Newline (Output : in out Printer);
      --  Output a newline and indentation

   procedure Quoted_Lengths
     (Data        : in Atom;
      Encoding    : in Character_Encoding;
      Width       : in Screen_Offset;
      Newline     : in Newline_Encoding;
      Single_Line : in Boolean;
      Size        : out Count;