From f26d97da69be2ededee17f8e1ab1ba75f79c17fd Mon Sep 17 00:00:00 2001
From: simon-at-fugu <simon.hiller@fugu.ch>
Date: Mon, 10 Jul 2017 09:28:02 +0200
Subject: [PATCH] Add tel to the default protocols and expose them (#1436)

---
 formats/link.js | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/formats/link.js b/formats/link.js
index 7be620ac79..84deebc573 100644
--- a/formats/link.js
+++ b/formats/link.js
@@ -15,7 +15,7 @@ class Link extends Inline {
   }
 
   static sanitize(url) {
-    return sanitize(url, ['http', 'https', 'mailto']) ? url : this.SANITIZED_URL;
+    return sanitize(url, this.PROTOCOL_WHITELIST) ? url : this.SANITIZED_URL;
   }
 
   format(name, value) {
@@ -27,6 +27,7 @@ class Link extends Inline {
 Link.blotName = 'link';
 Link.tagName = 'A';
 Link.SANITIZED_URL = 'about:blank';
+Link.PROTOCOL_WHITELIST = ['http', 'https', 'mailto', 'tel'];
 
 
 function sanitize(url, protocols) {