1.1 --- a/src/Tools/isac/TODO.thy	Fri May 08 18:30:21 2020 +0200
     1.2 +++ b/src/Tools/isac/TODO.thy	Sat May 09 11:55:51 2020 +0200
     1.3 @@ -52,6 +52,8 @@
     1.4  text \<open>
     1.5    \begin{itemize}
     1.6    \item xxx
     1.7 +  \item revise O_Model and I_Model with an example with more than 1 variant.
     1.8 +  \item xxx
     1.9    \item ctxt is superfluous in specify-phase due to type constraints from Descript.thy
    1.10    \item xxx
    1.11    \item Derive.do_one: TODO find code in common with complete_solve