From 7e6354fbb07ea3a66922943661e730eeaa00c140 Mon Sep 17 00:00:00 2001
From: Ian Jackson <ijackson@chiark.greenend.org.uk>
Date: Mon, 6 Jul 2020 18:35:23 +0100
Subject: [PATCH] grab and ungrab

---
 templates/script.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/templates/script.js b/templates/script.js
index c554986a..1b1ab39a 100644
--- a/templates/script.js
+++ b/templates/script.js
@@ -255,7 +255,7 @@ pieceops.Modify = function (piece, info) {
   uelem.setAttributeNS(null, "x", info.pos[0]);
   uelem.setAttributeNS(null, "y", info.pos[1]);
   // xxx do something about conflict
-  if (info.held == '') {
+  if (info.held == null) {
     set_ungrab(uelem, piece);
   } else {
     set_grab(uelem, piece, info.held);
-- 
2.30.2