From b13a3ab3fda84037fdea2101daff35cc88cae664 Mon Sep 17 00:00:00 2001
From: Cyril Cohen
Date: Tue, 9 Jun 2020 15:11:32 +0200
Subject: add lua&sed to shell and switch to coq 8.11 + fixing doc

---
 config.nix                 | 2 +-
 default.nix                | 4 +++-
 mathcomp/ssreflect/order.v | 2 +-
 3 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/config.nix b/config.nix
index 7660dde..bb1ecee 100644
--- a/config.nix
+++ b/config.nix
@@ -1,3 +1,3 @@
 {
-  coq = "8.10";
+  coq = "8.11";
 }
diff --git a/default.nix b/default.nix
index 82542c8..75e8a66 100644
--- a/default.nix
+++ b/default.nix
@@ -111,5 +111,7 @@ let
 in
 if pkgs.lib.trivial.inNixShell then pkg.overrideAttrs (old: {
   inherit shellHook mathcompnix;
-  buildInputs = (old.buildInputs or []) ++ pkgs.lib.optional withEmacs emacs;
+  buildInputs = (old.buildInputs or []) ++
+                pkgs.lib.optional withEmacs emacs ++
+                [ pkgs.lua pkgs.sedutil ];
 }) else pkg
diff --git a/mathcomp/ssreflect/order.v b/mathcomp/ssreflect/order.v
index dd9099b..01197d2 100644
--- a/mathcomp/ssreflect/order.v
+++ b/mathcomp/ssreflect/order.v
@@ -117,7 +117,7 @@ From mathcomp Require Import path fintype tuple bigop finset div prime.
 (* 3. declaring notations for the main operations of this library, by         *)
 (*    setting the first argument of the definition to the display, e.g.       *)
 (*    `Notation my_syndef_le x y := @Order.le my_display _ x y.` or           *)
-(*    `Notation "x <<< y" := @Order.lt my_display _ x y (at level ...).`      *)
+(*    `Notation "x <=< y" := @Order.lt my_display _ x y (at level ...).`      *)
 (*    Non overloaded notations will default to the default display.           *)
 (*                                                                            *)
 (* One may use displays either for convenience or to disambiguate between     *)
-- 
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