From 81bc24808b40be8901a4540de7131b72be58fb16 Mon Sep 17 00:00:00 2001
From: Eddie Kohler <ekohler@gmail.com>
Date: Thu, 8 Dec 2016 15:04:11 -0500
Subject: [PATCH] Support \mkern as an alias for \kern.

---
 src/functions.js | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/functions.js b/src/functions.js
index 121bc99..7e50ccc 100644
--- a/src/functions.js
+++ b/src/functions.js
@@ -205,7 +205,9 @@ defineFunction("\\rule", {
     };
 });
 
-defineFunction("\\kern", {
+// TODO: In TeX, \mkern only accepts mu-units, and \kern does not accept
+// mu-units. In current KaTeX we relax this; both commands accept any unit.
+defineFunction(["\\kern", "\\mkern"], {
     numArgs: 1,
     argTypes: ["size"],
 }, function(context, args) {