Merge pull request #202 from lefessan/z-2023-03-15-fix-toml-printer

Fix TOML printer to select multi-line strings

src/toml.7.1.0/printer.ml

@@ -26,7 +26,7 @@ let print_float formatter value =
     Format.pp_print_float formatter value
 
 let print_string formatter value =
-  let has_newline = String.contains value '"' in
+  let has_newline = String.contains value '\n' in
   if has_newline then begin
     Format.pp_print_string formatter {|"""|};
     Format.pp_print_newline formatter ();