From 6f7aa650f839e74cf6e5a575990a778d642e12ef Mon Sep 17 00:00:00 2001
From: codedread <jeffschiller@google.com>
Date: Wed, 29 Nov 2017 07:52:02 -0800
Subject: [PATCH] Allow data- attributes in the sanitize whitelist.  Fixes
 issue #203.

---
 editor/sanitize.js | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/editor/sanitize.js b/editor/sanitize.js
index a6d6f9f6..bcbebbbe 100644
--- a/editor/sanitize.js
+++ b/editor/sanitize.js
@@ -162,7 +162,7 @@ svgedit.sanitize.sanitizeSvg = function(node) {
         // TODO(codedread): Programmatically add the se: attributes to the NS-aware whitelist.
         // Bypassing the whitelist to allow se: prefixes.
         // Is there a more appropriate way to do this?
-        if (attrName.indexOf('se:') === 0) {
+        if (attrName.indexOf('se:') === 0 || attrName.indexOf('data-') === 0) {
           seAttrs.push([attrName, attr.value]);
         }
         node.removeAttributeNS(attrNsURI, attrLocalName);