src/Pure/PIDE/protocol.ML

       (Options.set_default (Options.decode (YXML.parse_body options_yxml));
        Isabelle_Process.init_options_interactive ()));
 
 val _ =
   Isabelle_Process.protocol_command "Prover.init_session_base"
-    (fn [sessions_yxml, doc_names_yxml, global_theories_yxml, loaded_theories_yxml,
-          known_theories_yxml] =>
+    (fn [session_positions_yxml, session_directories_yxml, doc_names_yxml, global_theories_yxml,
+          loaded_theories_yxml, known_theories_yxml] =>
       let
         val decode_table = YXML.parse_body #> let open XML.Decode in list (pair string string) end;
         val decode_list = YXML.parse_body #> let open XML.Decode in list string end;
         val decode_sessions =
           YXML.parse_body #> let open XML.Decode in list (pair string properties) end;
       in
         Resources.init_session_base
-          {sessions = decode_sessions sessions_yxml,
+          {session_positions = decode_sessions session_positions_yxml,
+           session_directories = decode_table session_directories_yxml,
            docs = decode_list doc_names_yxml,
            global_theories = decode_table global_theories_yxml,
            loaded_theories = decode_list loaded_theories_yxml,
            known_theories = decode_table known_theories_yxml}
       end);