1.1 --- a/test/Tools/isac/Test_Isac.thy	Wed Nov 30 13:05:08 2016 +0100
     1.2 +++ b/test/Tools/isac/Test_Isac.thy	Mon Dec 12 18:08:13 2016 +0100
     1.3 @@ -74,6 +74,7 @@
     1.4    open Lucin;                  appy;
     1.5    open Inform;                 cas_input;
     1.6    open Rtools;                 trtas2str;
     1.7 +  open Chead;                  pt_extract;
     1.8  (*\--- ! aktivate for Test_Isac END ----------------------------------------------------------/*)
     1.9  *}
    1.10  ML {*