src/Pure/General/position.ML

   val file_only: string -> T
   val file: string -> T
   val line_file_only: int -> string -> T
   val line_file: int -> string -> T
   val line: int -> T
+  val get_props: T -> Properties.T
   val id: string -> T
   val id_only: string -> T
   val get_id: T -> string option
   val put_id: string -> T -> T
   val parse_id: T -> int option

 
 fun line_file_only i name = Pos ((i, 0, 0), file_name name);
 fun line_file i name = Pos ((i, 1, 0), file_name name);
 fun line i = line_file i "";
 
+fun get_props (Pos (_, props)) = props;
+
 fun id id = Pos ((0, 1, 0), [(Markup.idN, id)]);
 fun id_only id = Pos ((0, 0, 0), [(Markup.idN, id)]);
 
 fun get_id (Pos (_, props)) = Properties.get props Markup.idN;
 fun put_id id (Pos (count, props)) = Pos (count, norm_props (Properties.put (Markup.idN, id) props));