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-rw-r--r--pretyping/evd.ml6
1 files changed, 4 insertions, 2 deletions
diff --git a/pretyping/evd.ml b/pretyping/evd.ml
index 77442584..5d61e727 100644
--- a/pretyping/evd.ml
+++ b/pretyping/evd.ml
@@ -6,7 +6,7 @@
(* * GNU Lesser General Public License Version 2.1 *)
(************************************************************************)
-(* $Id: evd.ml 13332 2010-07-26 22:12:43Z msozeau $ *)
+(* $Id: evd.ml 13902 2011-03-10 15:50:24Z msozeau $ *)
open Pp
open Util
@@ -507,7 +507,9 @@ let empty = {
metas=Metamap.empty
}
-let evars_reset_evd evd d = {d with evars = evd.evars}
+let evars_reset_evd ?(with_conv_pbs=false) evd d =
+ {d with evars = evd.evars;
+ conv_pbs = if with_conv_pbs then evd.conv_pbs else d.conv_pbs}
let add_conv_pb pb d = {d with conv_pbs = pb::d.conv_pbs}
let evar_source evk d = (EvarMap.find d.evars evk).evar_source