95 [code func] has disappeared and only [code] remains.  INCOMPATIBILITY.  | 
    95 [code func] has disappeared and only [code] remains.  INCOMPATIBILITY.  | 
    96   | 
    96   | 
    97 * Constant "undefined" replaces "arbitrary" in most occurences.  | 
    97 * Constant "undefined" replaces "arbitrary" in most occurences.  | 
    98   | 
    98   | 
    99 * Generic ATP manager for Sledgehammer, based on ML threads instead of  | 
    99 * Generic ATP manager for Sledgehammer, based on ML threads instead of  | 
   100 Posix processes.  Avoids forking of the ML process, can be costly for  | 
   100 Posix processes.  Avoids potentially expensive forking of the ML  | 
   101 long-lived operations due to garbage collection.  New thread  | 
   101 process.  New thread-based implementation also works on non-Unix  | 
   102 based-implementation also works smoothly on non-Unix platforms  | 
   102 platforms (Cygwin).  Provers are no longer hardwired, but defined  | 
   103 (Cygwin).  Provers are no longer hardwired, but defined within the  | 
   103 within the theory via plain ML wrapper functions.  | 
   104 theory via plain ML wrapper functions.  | 
         | 
   105   | 
   104   | 
   106 * Wrapper scripts for remote SystemOnTPTP service allows to use  | 
   105 * Wrapper scripts for remote SystemOnTPTP service allows to use  | 
   107 sledgehammer without local ATP installation (Vampire etc.).  See also  | 
   106 sledgehammer without local ATP installation (Vampire etc.).  See also  | 
   108 ISABELLE_HOME/contrib/SystemOnTPTP and the VAMPIRE_HOME setting  | 
   107 ISABELLE_HOME/contrib/SystemOnTPTP and the VAMPIRE_HOME setting  | 
   109 variable.  Other provers may be included via suitable ML wrappers, see  | 
   108 variable.  Other provers may be included via suitable ML wrappers, see  |