1.1 --- a/src/Tools/isac/MathEngBasic/MathEngBasic.thy	Mon Dec 16 15:56:20 2019 +0100
     1.2 +++ b/src/Tools/isac/MathEngBasic/MathEngBasic.thy	Tue Dec 17 16:31:46 2019 +0100
     1.3 @@ -11,7 +11,7 @@
     1.4    ML_file model.sml
     1.5    ML_file mstools.sml
     1.6    ML_file "specification-elems.sml"
     1.7 -  ML_file istate.sml
     1.8 +  ML_file "istate-def.sml"
     1.9    ML_file tactic.sml
    1.10    ML_file position.sml
    1.11    ML_file "ctree-basic.sml"
    1.12 @@ -21,9 +21,32 @@
    1.13  
    1.14  ML \<open>
    1.15  \<close> ML \<open>
    1.16 +signature XXX_DEF =
    1.17 +sig
    1.18 +  datatype xxx_def = Aaa of string | Bbb of string
    1.19 +end
    1.20  \<close> ML \<open>
    1.21 +structure Xxx_Def: XXX_DEF(**) =
    1.22 +struct
    1.23 +  datatype xxx_def = Aaa of string | Bbb of string
    1.24 +end
    1.25  \<close> ML \<open>
    1.26 +Xxx_Def.Aaa "works"
    1.27  \<close> ML \<open>
    1.28  \<close> ML \<open>
    1.29 +\<close> ML \<open>
    1.30 +signature XXX =
    1.31 +sig
    1.32 +  datatype xxx = Aaa of string | Bbb of string
    1.33 +end
    1.34 +\<close> ML \<open>
    1.35 +structure Xxx: XXX(**) =
    1.36 +struct
    1.37 +  open Xxx_Def
    1.38 +  datatype xxx = datatype xxx_def
    1.39 +end
    1.40 +\<close> ML \<open>
    1.41 +Xxx.Aaa "works"
    1.42 +\<close> ML \<open>
    1.43  \<close>
    1.44  end