From 693572be4c654b9e38eeb94ab6cbdb65a609e3cc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Philippe=20Rivi=C3=A8re?= <fil@rezo.net>
Date: Tue, 2 Jun 2020 16:17:14 +0200
Subject: [PATCH] deliberate ES6 syntax

(rationale: don't let people install @2 in a build system that will not alert them that we have moved to ES6, only to cause trouble with a later release.)
---
 src/lab.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/lab.js b/src/lab.js
index b27196e..02545c4 100644
--- a/src/lab.js
+++ b/src/lab.js
@@ -3,7 +3,7 @@ import {Color, rgbConvert, Rgb} from "./color.js";
 import {deg2rad, rad2deg} from "./math.js";
 
 // https://observablehq.com/@mbostock/lab-and-rgb
-var K = 18,
+const K = 18,
     Xn = 0.96422,
     Yn = 1,
     Zn = 0.82521,