From 697201b3def7cb7173dfebac50624dc694e34fd6 Mon Sep 17 00:00:00 2001
From: John McLear <john@mclear.co.uk>
Date: Sun, 20 Nov 2011 03:52:19 +0000
Subject: [PATCH] Addresses https://github.com/Pita/etherpad-lite/issues/173
 but needs a lot of testing and a word of warning, at current doing shift tab
 deletes the previous character as it emulates a backspace.

---
 static/js/ace2_inner.js | 10 ++++++++--
 1 file changed, 8 insertions(+), 2 deletions(-)

diff --git a/static/js/ace2_inner.js b/static/js/ace2_inner.js
index 9c647b6df..f45c61b23 100644
--- a/static/js/ace2_inner.js
+++ b/static/js/ace2_inner.js
@@ -3580,9 +3580,15 @@ function OUTER(gscope)
 
   function doTabKey(shiftDown)
   {
-    if (!doIndentOutdent(shiftDown))
+    if (shiftDown === true){
+       doDeleteKey();
+    }
+    else
     {
-      performDocumentReplaceSelection(THE_TAB);
+      if (!doIndentOutdent(shiftDown))
+      {
+        performDocumentReplaceSelection(THE_TAB);
+      }
     }
   }