From 83a94f07371910b96fd3b3b21304868980f49950 Mon Sep 17 00:00:00 2001
From: AlbertHilb <alberthilbert@gmail.com>
Date: Thu, 30 Mar 2017 16:23:56 +0200
Subject: [PATCH] When editor contains nested editable elements, in some
 situations, (#693)

the focus goes to those elements. In firefox, this causes issues
with keyboard navigation and therefore it must be prevented.
---
 src/components/content.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/src/components/content.js b/src/components/content.js
index 4f6ff301f..11360f62d 100644
--- a/src/components/content.js
+++ b/src/components/content.js
@@ -290,6 +290,13 @@ class Content extends React.Component {
     if (this.props.readOnly) return
     if (this.tmp.isCopying) return
     if (!this.isInContentEditable(event)) return
+    // COMPAT: When editor contains nested editable elements, in some situations,
+    // the focus goes to those elements. In Firefox, this must be prevented
+    // because it results in issues with keyboard navigation. (2017/03/30)
+    if (IS_FIREFOX && event.target !== this.element) {
+      this.element.focus()
+      return
+    }
 
     const data = {}