--- a/src/HOL/Tools/primrec_package.ML Fri Nov 14 14:35:55 2003 +0100
+++ b/src/HOL/Tools/primrec_package.ML Tue Nov 18 09:45:45 2003 +0100
@@ -273,7 +273,8 @@
val sign = Theory.sign_of thy;
val ((names, strings), srcss) = apfst split_list (split_list eqns);
val atts = map (map (Attrib.global_attribute thy)) srcss;
- val eqn_ts = map (term_of o Thm.read_cterm sign o rpair propT) strings;
+ val eqn_ts = map (fn s => term_of (Thm.read_cterm sign (s, propT))
+ handle ERROR => error ("The error(s) above occurred for " ^ s)) strings;
val rec_ts = map (fn eq => head_of (fst (HOLogic.dest_eq (HOLogic.dest_Trueprop eq)))
handle TERM _ => primrec_eq_err sign "not a proper equation" eq) eqn_ts;
val (_, eqn_ts') = InductivePackage.unify_consts (sign_of thy) rec_ts eqn_ts