1.1 --- a/test/Tools/isac/Test_Isac.thy	Mon Jun 29 16:01:01 2020 +0200
     1.2 +++ b/test/Tools/isac/Test_Isac.thy	Mon Jun 29 17:27:34 2020 +0200
     1.3 @@ -306,7 +306,7 @@
     1.4    ML_file "Knowledge/biegelinie-1.sml"
     1.5    ML_file "Knowledge/biegelinie-2.sml"                                        (*Test_Isac_Short*)
     1.6    ML_file "Knowledge/biegelinie-3.sml"                                        (*Test_Isac_Short*)
     1.7 -(*ML_file "Knowledge/biegelinie-4.sml"       hangs with ML_system_64 = "true"---Test_Isac_Short*)
     1.8 +  ML_file "Knowledge/biegelinie-4.sml"
     1.9    ML_file "Knowledge/algein.sml"
    1.10    ML_file "Knowledge/diophanteq.sml"
    1.11  (*ML_file "Knowledge/inverse_z_transform.sml"hangs with ML_system_64 = "true"---Test_Isac_Short*)