From: Claudio Sacerdoti Coen <claudio.sacerdoticoen@unibo.it>
Date: Thu, 18 Dec 2003 10:46:18 +0000 (+0000)
Subject: One of the bug I detected (and commented) in my last commit was not a bug.
X-Git-Tag: V_0_5_1_3~52
X-Git-Url: http://matita.cs.unibo.it/gitweb/?a=commitdiff_plain;h=49b54c2de0c8d449638e469d1c95bfae01b0aadc;p=helm.git

One of the bug I detected (and commented) in my last commit was not a bug.
This commit removes the erroneus comment.
---

diff --git a/helm/ocaml/cic_unification/cicUnification.ml b/helm/ocaml/cic_unification/cicUnification.ml
index e0d4d13f2..d50818f73 100644
--- a/helm/ocaml/cic_unification/cicUnification.ml
+++ b/helm/ocaml/cic_unification/cicUnification.ml
@@ -67,6 +67,7 @@ let restrict to_be_restricted =
 ;;
 
 
+(*CSC: maybe we should rename delift in abstract, as I did in my dissertation *)
 let delift context metasenv l t =
  let module S = CicSubstitution in
   let to_be_restricted = ref [] in
@@ -97,9 +98,6 @@ let delift context metasenv l t =
         in
          C.Var (uri,exp_named_subst')
      | C.Meta (i, l1) as t -> 
-(* CSC: BIG BUG HERE! In the explicit substitution l1 = [t1 ; t2],       *)
-(* CSC: it is NOT true that Rel(1) in t2 refers to t1 (i.e. the explicit *)
-(* CSC: substitution is simultaneous, not telescopic. To be fixes ASAP.  *)
         let rec deliftl j =
          function
             [] -> []