Arguments/simpl: allow ! even on non fixpoints
Arguments/simpl: allow ! even on non fixpoints

It is now possible to tell simpl to unfold a constant
that hides no "match" but is applied to concrete arguments.

Arguments id _ !n.
Goal forall x, id x = id 2.
intros; simpl.

x : nat
========
id x = 2

git-svn-id: 44dc50bdcc0f5d1a212c497508dc9452e0b35e2b@15048 85f007b7-540e-0410-9357-904b9bb8a0f7

maximedenes/native-coq,maximedenes/native-coq,maximedenes/native-coq