diff --git a/bin/loadTesting/README b/bin/loadTesting/README
index 2252b66c..c8ecd71e 100644
--- a/bin/loadTesting/README
+++ b/bin/loadTesting/README
@@ -17,19 +17,19 @@ Installed Xvfb and PhantomJS
 
 I installed Xvfb following (roughly) this guide: http://blog.martin-lyness.com/archives/installing-xvfb-on-ubuntu-9-10-karmic-koala
 
-	#sudo apt-get install xvfb
-	#sudo apt-get install xfonts-100dpi xfonts-75dpi xfonts-scalable xfonts-cyrillic   
+    #sudo apt-get install xvfb
+    #sudo apt-get install xfonts-100dpi xfonts-75dpi xfonts-scalable xfonts-cyrillic
 
 Launched two instances of Xvfb directly from the terminal:
 
-	#Xvfb :0 -ac
-	#Xvfb :1 -ac
+    #Xvfb :0 -ac
+    #Xvfb :1 -ac
 
 I installed PhantomJS following this guide: http://code.google.com/p/phantomjs/wiki/Installation
 
-	#sudo add-apt-repository ppa:jerome-etienne/neoip
-	#sudo apt-get update
-	#sudo apt-get install phantomjs
+    #sudo add-apt-repository ppa:jerome-etienne/neoip
+    #sudo apt-get update
+    #sudo apt-get install phantomjs
 
 I created a small JavaScript file for PhatomJS to use to control the browser instances:
 
diff --git a/bin/loadTesting/launcher.sh b/bin/loadTesting/launcher.sh
index 375b1544..e940f8e0 100755
--- a/bin/loadTesting/launcher.sh
+++ b/bin/loadTesting/launcher.sh
@@ -3,7 +3,7 @@
 # connect 500 instances to display :0
 for i in {1..500}
 do
-  echo 	$i
+  echo $i
   echo "Displaying Some shit"
   DISPLAY=:0 screen -d -m /home/phantomjs/bin/phantomjs loader.js http://10.0.0.55:9001/p/pad2 && sleep 2
 done
diff --git a/doc/easysync/easysync-notes.txt b/doc/easysync/easysync-notes.txt
index d3b3dc55..72adadd2 100644
--- a/doc/easysync/easysync-notes.txt
+++ b/doc/easysync/easysync-notes.txt
@@ -79,14 +79,14 @@ Here are descriptions of the operations, where capital letters are variables:
          kept MUST be a newline, and the final newline of the document is allowed.
 "*I"   : Apply attribute I from the pool to the following +, =, |+, or |= command.
          In other words, any number of * ops can come before a +, =, or | but not
-	 between a | and the corresponding + or =.
+         between a | and the corresponding + or =.
          If +, text is inserted having this attribute.  If =, text is kept but with
-	 the attribute applied as an attribute addition or removal.
-	 Consecutive attributes must be sorted lexically by (key,value) with key
-	 and value taken as strings.  It's illegal to have duplicate keys
-	 for (key,value) pairs that apply to the same text.  It's illegal to
-	 have an empty value for a key in the case of an insertion (+), the
-	 pair should just be omitted.
+         the attribute applied as an attribute addition or removal.
+         Consecutive attributes must be sorted lexically by (key,value) with key
+         and value taken as strings.  It's illegal to have duplicate keys
+         for (key,value) pairs that apply to the same text.  It's illegal to
+         have an empty value for a key in the case of an insertion (+), the
+         pair should just be omitted.
 
 Characters from the source text that aren't accounted for are assumed to be kept
 with the same attributes.
diff --git a/settings.json.template b/settings.json.template
index 50e7e9d4..43aa1613 100644
--- a/settings.json.template
+++ b/settings.json.template
@@ -110,40 +110,41 @@
   // https://github.com/nomiddlename/log4js-node
   // You can add as many appenders as you want here:
   "logconfig" :
-	{ "appenders": [
-	    { "type": "console" 
-	    //, "category": "access"// only logs pad access
-	    }
+    { "appenders": [
+        { "type": "console"
+        //, "category": "access"// only logs pad access
+        }
     /*
-	  , { "type": "file"
+      , { "type": "file"
       , "filename": "your-log-file-here.log"
       , "maxLogSize": 1024
       , "backups": 3 // how many log files there're gonna be at max
       //, "category": "test" // only log a specific category
-      }*/
+        }*/
     /*
-	  , { "type": "logLevelFilter"
-	    , "level": "warn" // filters out all log messages that have a lower level than "error"
-	    , "appender":
-	      {  Use whatever appender you want here  }
-      }*/
+      , { "type": "logLevelFilter"
+        , "level": "warn" // filters out all log messages that have a lower level than "error"
+        , "appender":
+          {  Use whatever appender you want here  }
+        }*/
     /*
-	  , { "type": "logLevelFilter"
-	    , "level": "error" // filters out all log messages that have a lower level than "error"
-	    , "appender":
-	      { "type": "smtp"
-        , "subject": "An error occured in your EPL instance!"
-        , "recipients": "bar@blurdybloop.com, baz@blurdybloop.com"
-        , "sendInterval": 60*5 // in secs -- will buffer log messages; set to 0 to send a mail for every message
-        , "transport": "SMTP", "SMTP": { // see https://github.com/andris9/Nodemailer#possible-transport-methods
-            "host": "smtp.example.com", "port": 465,
-            "secureConnection": true,
-            "auth": {
-                "user": "foo@example.com",
-                "pass": "bar_foo"
+      , { "type": "logLevelFilter"
+        , "level": "error" // filters out all log messages that have a lower level than "error"
+        , "appender":
+          { "type": "smtp"
+          , "subject": "An error occured in your EPL instance!"
+          , "recipients": "bar@blurdybloop.com, baz@blurdybloop.com"
+          , "sendInterval": 60*5 // in secs -- will buffer log messages; set to 0 to send a mail for every message
+          , "transport": "SMTP", "SMTP": { // see https://github.com/andris9/Nodemailer#possible-transport-methods
+              "host": "smtp.example.com", "port": 465,
+              "secureConnection": true,
+              "auth": {
+                  "user": "foo@example.com",
+                  "pass": "bar_foo"
+              }
             }
-        }
-        }
-      }*/
-	] }
+          }
+        }*/
+      ]
+    }
 }
diff --git a/src/node/db/API.js b/src/node/db/API.js
index e48c1401..349953cb 100644
--- a/src/node/db/API.js
+++ b/src/node/db/API.js
@@ -554,7 +554,7 @@ exports.deletePad = function(padID, callback)
 
 /**
 copyPad(sourceID, destinationID[, force=false]) copies a pad. If force is true, 
-	the destination will be overwritten if it exists.
+  the destination will be overwritten if it exists.
 
 Example returns:
 
@@ -573,7 +573,7 @@ exports.copyPad = function(sourceID, destinationID, force, callback)
 
 /**
 movePad(sourceID, destinationID[, force=false]) moves a pad. If force is true, 
-	the destination will be overwritten if it exists.
+  the destination will be overwritten if it exists.
 
 Example returns:
 
diff --git a/src/node/db/Pad.js b/src/node/db/Pad.js
index b6dee897..180517d1 100644
--- a/src/node/db/Pad.js
+++ b/src/node/db/Pad.js
@@ -463,7 +463,7 @@ Pad.prototype.copy = function copy(destinationID, force, callback) {
         
         if(exists == true)
         {
-          if (!force)	
+          if (!force)
           {
             console.log("erroring out without force");
             callback(new customError("destinationID already exists","apierror"));
@@ -635,7 +635,7 @@ Pad.prototype.remove = function remove(callback) {
 
           authorIDs.forEach(function (authorID)
           {
-        	authorManager.removePad(authorID, padID);
+            authorManager.removePad(authorID, padID);
           });
 
           callback();
diff --git a/src/node/db/SecurityManager.js b/src/node/db/SecurityManager.js
index 355603f3..66cfd292 100644
--- a/src/node/db/SecurityManager.js
+++ b/src/node/db/SecurityManager.js
@@ -151,16 +151,16 @@ exports.checkAccess = function (padID, sessionCookie, token, password, callback)
               if(sessionInfo.groupID != groupID)
               {
                 authLogger.debug("Auth failed: wrong group");
-            	  callback();
-            	  return;
+                callback();
+                return;
               }
               
               //is validUntil still ok?
               if(sessionInfo.validUntil <= now)
               {
                 authLogger.debug("Auth failed: validUntil");
-            	  callback();
-            	  return;
+                callback();
+                return;
               }
               
               // There is a valid session
diff --git a/src/node/handler/PadMessageHandler.js b/src/node/handler/PadMessageHandler.js
index 0b583661..75ec6bd7 100644
--- a/src/node/handler/PadMessageHandler.js
+++ b/src/node/handler/PadMessageHandler.js
@@ -455,7 +455,7 @@ function handleGetChatMessages(client, message)
       pad.getChatMessages(start, end, function(err, chatMessages)
       {
         if(ERR(err, callback)) return;
-		
+
         var infoMsg = {
           type: "COLLABROOM",
           data: {
@@ -463,7 +463,7 @@ function handleGetChatMessages(client, message)
             messages: chatMessages
           }
         };
-		
+
         // send the messages back to the client
         client.json.send(infoMsg);
       });
@@ -1564,7 +1564,7 @@ exports.padUsers = function (padID, callback) {
 
         author.id = s.author;
         result.push(author);
-		callback();
+        callback();
       });
     }
   }, function(err) {
diff --git a/src/node/handler/SocketIORouter.js b/src/node/handler/SocketIORouter.js
index 2ca0d80f..b3e046d2 100644
--- a/src/node/handler/SocketIORouter.js
+++ b/src/node/handler/SocketIORouter.js
@@ -57,11 +57,11 @@ exports.setSocketIO = function(_socket) {
   socket.sockets.on('connection', function(client)
   {
     if(settings.trustProxy && client.handshake.headers['x-forwarded-for'] !== undefined){
-	  	client.set('remoteAddress', client.handshake.headers['x-forwarded-for']);
-  	}
-  	else{
-  		client.set('remoteAddress', client.handshake.address.address);
-  	}
+      client.set('remoteAddress', client.handshake.headers['x-forwarded-for']);
+    }
+    else{
+      client.set('remoteAddress', client.handshake.address.address);
+    }
     var clientAuthorized = false;
     
     //wrap the original send function to log the messages
diff --git a/src/node/hooks/express/padreadonly.js b/src/node/hooks/express/padreadonly.js
index af5cbed3..9a0a52bf 100644
--- a/src/node/hooks/express/padreadonly.js
+++ b/src/node/hooks/express/padreadonly.js
@@ -16,50 +16,50 @@ exports.expressCreateServer = function (hook_name, args, cb) {
       //translate the read only pad to a padId
       function(callback)
       {
-	readOnlyManager.getPadId(req.params.id, function(err, _padId)
-	{
-	  if(ERR(err, callback)) return;
+        readOnlyManager.getPadId(req.params.id, function(err, _padId)
+        {
+          if(ERR(err, callback)) return;
 
-	  padId = _padId;
+          padId = _padId;
 
-	  //we need that to tell hasPadAcess about the pad  
-	  req.params.pad = padId; 
+          //we need that to tell hasPadAcess about the pad
+          req.params.pad = padId;
 
-	  callback();
-	});
+          callback();
+        });
       },
       //render the html document
       function(callback)
       {
-	//return if the there is no padId
-	if(padId == null)
-	{
-	  callback("notfound");
-	  return;
-	}
+        //return if the there is no padId
+        if(padId == null)
+        {
+          callback("notfound");
+          return;
+        }
 
-	hasPadAccess(req, res, function()
-	{
-	  //render the html document
-	  exporthtml.getPadHTMLDocument(padId, null, false, function(err, _html)
-	  {
-	    if(ERR(err, callback)) return;
-	    html = _html;
-	    callback();
-	  });
-	});
+        hasPadAccess(req, res, function()
+        {
+          //render the html document
+          exporthtml.getPadHTMLDocument(padId, null, false, function(err, _html)
+          {
+            if(ERR(err, callback)) return;
+            html = _html;
+            callback();
+          });
+        });
       }
     ], function(err)
     {
       //throw any unexpected error
       if(err && err != "notfound")
-	ERR(err);
+        ERR(err);
 
       if(err == "notfound")
-	res.send(404, '404 - Not Found');
+        res.send(404, '404 - Not Found');
       else
-	res.send(html);
+        res.send(html);
     });
   });
 
-}
\ No newline at end of file
+}
diff --git a/src/node/hooks/express/padurlsanitize.js b/src/node/hooks/express/padurlsanitize.js
index 29782b69..2aadccdc 100644
--- a/src/node/hooks/express/padurlsanitize.js
+++ b/src/node/hooks/express/padurlsanitize.js
@@ -12,20 +12,20 @@ exports.expressCreateServer = function (hook_name, args, cb) {
     else
     {
       padManager.sanitizePadId(padId, function(sanitizedPadId) {
-	//the pad id was sanitized, so we redirect to the sanitized version
-	if(sanitizedPadId != padId)
-	{
+        //the pad id was sanitized, so we redirect to the sanitized version
+        if(sanitizedPadId != padId)
+        {
           var real_url = sanitizedPadId;
           var query = url.parse(req.url).query;
           if ( query ) real_url += '?' + query;
-	  res.header('Location', real_url);
-	  res.send(302, 'You should be redirected to <a href="' + real_url + '">' + real_url + '</a>');
-	}
-	//the pad id was fine, so just render it
-	else
-	{
-	  next();
-	}
+          res.header('Location', real_url);
+          res.send(302, 'You should be redirected to <a href="' + real_url + '">' + real_url + '</a>');
+        }
+        //the pad id was fine, so just render it
+        else
+        {
+          next();
+        }
       });
     }
   });
diff --git a/src/node/hooks/express/specialpages.js b/src/node/hooks/express/specialpages.js
index 6701726e..7d051965 100644
--- a/src/node/hooks/express/specialpages.js
+++ b/src/node/hooks/express/specialpages.js
@@ -49,11 +49,11 @@ exports.expressCreateServer = function (hook_name, args, cb) {
       //there is no custom favicon, send the default favicon
       if(err)
       {
-	filePath = path.normalize(__dirname + "/../../../static/favicon.ico");
-	res.sendfile(filePath);
+        filePath = path.normalize(__dirname + "/../../../static/favicon.ico");
+        res.sendfile(filePath);
       }
     });
   });
 
 
-}
\ No newline at end of file
+}
diff --git a/src/node/utils/Abiword.js b/src/node/utils/Abiword.js
index 2ef4f444..5f12bd97 100644
--- a/src/node/utils/Abiword.js
+++ b/src/node/utils/Abiword.js
@@ -143,7 +143,7 @@ else
   //Queue with the converts we have to do
   var queue = async.queue(doConvertTask, 1);
   exports.convertFile = function(srcFile, destFile, type, callback)
-  {	
+  {
     queue.push({"srcFile": srcFile, "destFile": destFile, "type": type, "callback": callback});
   };
 }
diff --git a/src/node/utils/ExportHtml.js b/src/node/utils/ExportHtml.js
index 7b94310a..5179adf6 100644
--- a/src/node/utils/ExportHtml.js
+++ b/src/node/utils/ExportHtml.js
@@ -447,7 +447,7 @@ function getHTMLFromAtext(pad, atext, authorColors)
           pieces.push('</li></ul>');
         }
         lists.length--;
-      }   
+      }
       var lineContentFromHook = hooks.callAllStr("getLineHTMLForExport", 
       {
         line: line,
@@ -455,14 +455,14 @@ function getHTMLFromAtext(pad, atext, authorColors)
         attribLine: attribLines[i],
         text: textLines[i]
       }, " ", " ", "");
-	  if (lineContentFromHook)
-	  {
-	    pieces.push(lineContentFromHook, '');
-	  } 
-	  else 
-	 {
-	   pieces.push(lineContent, '<br>');
-	 }		  
+      if (lineContentFromHook)
+      {
+        pieces.push(lineContentFromHook, '');
+      }
+      else
+      {
+        pieces.push(lineContent, '<br>');
+      }
     }
   }
   
@@ -490,7 +490,7 @@ exports.getPadHTMLDocument = function (padId, revNum, noDocType, callback)
     var head = 
       (noDocType ? '' : '<!doctype html>\n') + 
       '<html lang="en">\n' + (noDocType ? '' : '<head>\n' + 
-	'<title>' + Security.escapeHTML(padId) + '</title>\n' +
+        '<title>' + Security.escapeHTML(padId) + '</title>\n' +
         '<meta charset="utf-8">\n' + 
         '<style> * { font-family: arial, sans-serif;\n' + 
           'font-size: 13px;\n' + 
diff --git a/src/static/css/iframe_editor.css b/src/static/css/iframe_editor.css
index cee07d26..ddb509f4 100644
--- a/src/static/css/iframe_editor.css
+++ b/src/static/css/iframe_editor.css
@@ -61,7 +61,7 @@ body {
   margin: 0;
   white-space: nowrap;
   word-wrap: normal;
-}				 
+}
 
 #outerdocbody {
   background-color: #fff;
diff --git a/src/static/js/Changeset.js b/src/static/js/Changeset.js
index 06b24bcf..77bd3a4c 100644
--- a/src/static/js/Changeset.js
+++ b/src/static/js/Changeset.js
@@ -673,9 +673,9 @@ exports.textLinesMutator = function (lines) {
       }
       //print(inSplice+" / "+isCurLineInSplice()+" / "+curSplice[0]+" / "+curSplice[1]+" / "+lines.length);
 /*if (inSplice && (! isCurLineInSplice()) && (curSplice[0] + curSplice[1] < lines.length)) {
-	  print("BLAH");
-	  putCurLineInSplice();
-	}*/
+  print("BLAH");
+  putCurLineInSplice();
+}*/
       // tests case foo in remove(), which isn't otherwise covered in current impl
     }
     //debugPrint("skip");
diff --git a/src/static/js/ace2_inner.js b/src/static/js/ace2_inner.js
index c4ad8117..63e6e1f4 100644
--- a/src/static/js/ace2_inner.js
+++ b/src/static/js/ace2_inner.js
@@ -4187,7 +4187,7 @@ function Ace2Inner(){
     selection.startPoint.index+" / "+
     selection.endPoint.node.uniqueId()+","+
     selection.endPoint.index);
-	}*/
+}*/
       }
       return selection;
     }
@@ -5255,7 +5255,7 @@ function Ace2Inner(){
 
         if(h){ // apply style to div
           div.style.height = h +"px";
-	}
+        }
 
         div.appendChild(odoc.createTextNode(String(n)));
         fragment.appendChild(div);
diff --git a/src/static/js/broadcast_slider.js b/src/static/js/broadcast_slider.js
index 73f352f8..8179b7b5 100644
--- a/src/static/js/broadcast_slider.js
+++ b/src/static/js/broadcast_slider.js
@@ -461,10 +461,10 @@ function loadBroadcastSliderJS(fireWhenAllScriptsAreLoaded)
         var startPos = clientVars.collab_client_vars.rev;
         if(window.location.hash.length > 1)
         {
-	      var hashRev = Number(window.location.hash.substr(1));
-	      if(!isNaN(hashRev))
-	      {
-	        // this is necessary because of the socket.io-event which loads the changesets 
+          var hashRev = Number(window.location.hash.substr(1));
+          if(!isNaN(hashRev))
+          {
+            // this is necessary because of the socket.io-event which loads the changesets
             setTimeout(function() { setSliderPosition(hashRev); }, 1);
           }
         }
diff --git a/src/static/js/changesettracker.js b/src/static/js/changesettracker.js
index 8c4c1c21..f3efc407 100644
--- a/src/static/js/changesettracker.js
+++ b/src/static/js/changesettracker.js
@@ -162,7 +162,7 @@ function makeChangesetTracker(scheduler, apool, aceCallbacksProvider)
       }
       else
       {
-    	  
+
         // add forEach function to Array.prototype for IE8      
         if (!('forEach' in Array.prototype)) {
           Array.prototype.forEach= function(action, that /*opt*/) {
@@ -171,7 +171,7 @@ function makeChangesetTracker(scheduler, apool, aceCallbacksProvider)
                 action.call(that, this[i], i, this);
           };
         }
-    	  
+
         // Get my authorID
         var authorId = parent.parent.pad.myUserInfo.userId;
 
diff --git a/src/static/js/chat.js b/src/static/js/chat.js
index fb016eaa..65fc8dd9 100644
--- a/src/static/js/chat.js
+++ b/src/static/js/chat.js
@@ -183,12 +183,12 @@ var chat = (function()
           self.send();
         }
       });
-      
-	  // initial messages are loaded in pad.js' _afterHandshake
-	  
-	  $("#chatcounter").text(0);
-	  $("#chatloadmessagesbutton").click(function()
-	  {
+
+      // initial messages are loaded in pad.js' _afterHandshake
+
+      $("#chatcounter").text(0);
+      $("#chatloadmessagesbutton").click(function()
+      {
         var start = Math.max(self.historyPointer - 20, 0);
         var end = self.historyPointer;
 
@@ -200,7 +200,7 @@ var chat = (function()
 
         pad.collabClient.sendMessage({"type": "GET_CHAT_MESSAGES", "start": start, "end": end});
         self.historyPointer = start;
-	  });
+      });
     }
   }
 
diff --git a/src/static/js/contentcollector.js b/src/static/js/contentcollector.js
index 95efe9c4..ee0a1c27 100644
--- a/src/static/js/contentcollector.js
+++ b/src/static/js/contentcollector.js
@@ -398,7 +398,7 @@ function makeContentCollector(collectStyles, browser, apool, domInterface, class
         if (endPoint && node == endPoint.node)
         {
           selEnd = _pointHere(0, state);
-			}
+        }
       }
       while (txt.length > 0)
       {
@@ -467,7 +467,7 @@ function makeContentCollector(collectStyles, browser, apool, domInterface, class
         var startNewLine= (typeof(induceLineBreak)=='object'&&induceLineBreak.length==0)?true:induceLineBreak[0];
         if(startNewLine){
           cc.startNewLine(state);
-        }		  
+        }
       }
       else if (tname == "script" || tname == "style")
       {
diff --git a/src/static/js/domline.js b/src/static/js/domline.js
index 69508507..82dafb42 100644
--- a/src/static/js/domline.js
+++ b/src/static/js/domline.js
@@ -234,10 +234,10 @@ domline.createDomLine = function(nonEmpty, doesWrap, optBrowser, optDocument)
       result.node.innerHTML = curHTML;
     }
     if (lineClass !== null) result.node.className = lineClass;
-	
-	hooks.callAll("acePostWriteDomLineHTML", {
-        node: result.node
-	});
+
+    hooks.callAll("acePostWriteDomLineHTML", {
+      node: result.node
+    });
   }
   result.prepareForAdd = writeHTML;
   result.finishUpdate = writeHTML;
diff --git a/src/static/js/html10n.js b/src/static/js/html10n.js
index bee1fef3..856729b5 100644
--- a/src/static/js/html10n.js
+++ b/src/static/js/html10n.js
@@ -97,21 +97,21 @@ window.html10n = (function(window, document, undefined) {
    * MicroEvent - to make any js object an event emitter (server or browser)
    */
 
-  var MicroEvent	= function(){}
-  MicroEvent.prototype	= {
-    bind	: function(event, fct){
+  var MicroEvent = function(){}
+  MicroEvent.prototype = {
+    bind: function(event, fct){
       this._events = this._events || {};
-      this._events[event] = this._events[event]	|| [];
+      this._events[event] = this._events[event] || [];
       this._events[event].push(fct);
     },
-    unbind	: function(event, fct){
+    unbind: function(event, fct){
       this._events = this._events || {};
-      if( event in this._events === false  )	return;
+      if( event in this._events === false  ) return;
       this._events[event].splice(this._events[event].indexOf(fct), 1);
     },
-    trigger	: function(event /* , args... */){
+    trigger: function(event /* , args... */){
       this._events = this._events || {};
-      if( event in this._events === false  )	return;
+      if( event in this._events === false  ) return;
       for(var i = 0; i < this._events[event].length; i++){
         this._events[event][i].apply(this, Array.prototype.slice.call(arguments, 1))
       }
@@ -121,8 +121,8 @@ window.html10n = (function(window, document, undefined) {
    * mixin will delegate all MicroEvent.js function in the destination object
    * @param {Object} the object which will support MicroEvent
    */
-  MicroEvent.mixin	= function(destObject){
-    var props	= ['bind', 'unbind', 'trigger'];
+  MicroEvent.mixin = function(destObject){
+    var props = ['bind', 'unbind', 'trigger'];
     if(!destObject) return;
     for(var i = 0; i < props.length; i ++){
       destObject[props[i]] = MicroEvent.prototype[props[i]];
diff --git a/src/static/js/linestylefilter.js b/src/static/js/linestylefilter.js
index dc807885..034822a4 100644
--- a/src/static/js/linestylefilter.js
+++ b/src/static/js/linestylefilter.js
@@ -146,7 +146,7 @@ linestylefilter.getLineStyleFilter = function(lineLength, aline, textAndClassFun
 
     return function(txt, cls)
     {
-	
+
       var disableAuthColorForThisLine = hooks.callAll("disableAuthorColorsForThisLine", {
         linestylefilter: linestylefilter,
         text: txt,
diff --git a/src/static/js/pad_editbar.js b/src/static/js/pad_editbar.js
index cc9f8758..1b824031 100644
--- a/src/static/js/pad_editbar.js
+++ b/src/static/js/pad_editbar.js
@@ -140,7 +140,7 @@ var padeditbar = (function()
         }
         else if (cmd == 'import_export')
         {
-	      self.toggleDropDown("importexport");
+          self.toggleDropDown("importexport");
         }
         else if (cmd == 'savedRevision')
         {
diff --git a/src/static/js/pluginfw/hooks.js b/src/static/js/pluginfw/hooks.js
index 4d505794..106e9ce6 100644
--- a/src/static/js/pluginfw/hooks.js
+++ b/src/static/js/pluginfw/hooks.js
@@ -61,7 +61,7 @@ exports.flatten = function (lst) {
       if (lst[i] != undefined && lst[i] != null) {
         for (var j = 0; j < lst[i].length; j++) {
           res.push(lst[i][j]);
-	}
+    }
       }
     }
   }
diff --git a/src/templates/index.html b/src/templates/index.html
index 4f6d500b..02ecf67a 100644
--- a/src/templates/index.html
+++ b/src/templates/index.html
@@ -5,29 +5,29 @@
 <html>
 
         <title><%=settings.title%></title>
-	<script>
-	  /*
-	  |@licstart  The following is the entire license notice for the
-	  JavaScript code in this page.|
+    <script>
+      /*
+      |@licstart  The following is the entire license notice for the
+      JavaScript code in this page.|
 
-	  Copyright 2011 Peter Martischka, Primary Technology.
+      Copyright 2011 Peter Martischka, Primary Technology.
 
-	  Licensed under the Apache License, Version 2.0 (the "License");
-	  you may not use this file except in compliance with the License.
-	  You may obtain a copy of the License at
+      Licensed under the Apache License, Version 2.0 (the "License");
+      you may not use this file except in compliance with the License.
+      You may obtain a copy of the License at
 
-	     http://www.apache.org/licenses/LICENSE-2.0
+         http://www.apache.org/licenses/LICENSE-2.0
 
-	  Unless required by applicable law or agreed to in writing, software
-	  distributed under the License is distributed on an "AS IS" BASIS,
-	  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-	  See the License for the specific language governing permissions and
-	  limitations under the License.
+      Unless required by applicable law or agreed to in writing, software
+      distributed under the License is distributed on an "AS IS" BASIS,
+      WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+      See the License for the specific language governing permissions and
+      limitations under the License.
 
-	  |@licend  The above is the entire license notice
-	  for the JavaScript code in this page.|
-	  */
-	</script>
+      |@licend  The above is the entire license notice
+      for the JavaScript code in this page.|
+      */
+    </script>
 
         <meta charset="utf-8"> 
         <meta name="viewport" content="width=device-width, initial-scale=1, maximum-scale=1, user-scalable=0">
diff --git a/tests/frontend/lib/sendkeys.js b/tests/frontend/lib/sendkeys.js
index 9170fe7e..b5761847 100644
--- a/tests/frontend/lib/sendkeys.js
+++ b/tests/frontend/lib/sendkeys.js
@@ -27,278 +27,278 @@
 (function($){
 
 bililiteRange = function(el, debug){
-	var ret;
-	if (debug){
-		ret = new NothingRange(); // Easier to force it to use the no-selection type than to try to find an old browser
-	}else if (document.selection && !document.addEventListener){
-		// Internet Explorer 8 and lower
-		ret = new IERange();
-	}else if (window.getSelection && el.setSelectionRange){
-		// Standards. Element is an input or textarea 
-		ret = new InputRange();
-	}else if (window.getSelection){
-		// Standards, with any other kind of element
-		ret = new W3CRange()
-	}else{
-		// doesn't support selection
-		ret = new NothingRange();
-	}
-	ret._el = el;
-	ret._doc = el.ownerDocument;
-	ret._win = 'defaultView' in ret._doc ? ret._doc.defaultView : ret._doc.parentWindow;
-	ret._textProp = textProp(el);
-	ret._bounds = [0, ret.length()];
-	return ret;
+  var ret;
+  if (debug){
+    ret = new NothingRange(); // Easier to force it to use the no-selection type than to try to find an old browser
+  }else if (document.selection && !document.addEventListener){
+    // Internet Explorer 8 and lower
+    ret = new IERange();
+  }else if (window.getSelection && el.setSelectionRange){
+    // Standards. Element is an input or textarea
+    ret = new InputRange();
+  }else if (window.getSelection){
+    // Standards, with any other kind of element
+    ret = new W3CRange()
+  }else{
+    // doesn't support selection
+    ret = new NothingRange();
+  }
+  ret._el = el;
+  ret._doc = el.ownerDocument;
+  ret._win = 'defaultView' in ret._doc ? ret._doc.defaultView : ret._doc.parentWindow;
+  ret._textProp = textProp(el);
+  ret._bounds = [0, ret.length()];
+  return ret;
 }
 
 function textProp(el){
-	// returns the property that contains the text of the element
-	if (typeof el.value != 'undefined') return 'value';
-	if (typeof el.text != 'undefined') return 'text';
-	if (typeof el.textContent != 'undefined') return 'textContent';
-	return 'innerText';
+  // returns the property that contains the text of the element
+  if (typeof el.value != 'undefined') return 'value';
+  if (typeof el.text != 'undefined') return 'text';
+  if (typeof el.textContent != 'undefined') return 'textContent';
+  return 'innerText';
 }
 
 // base class
 function Range(){}
 Range.prototype = {
-	length: function() {
-		return this._el[this._textProp].replace(/\r/g, '').length; // need to correct for IE's CrLf weirdness
-	},
-	bounds: function(s){
-		if (s === 'all'){
-			this._bounds = [0, this.length()];
-		}else if (s === 'start'){
-			this._bounds = [0, 0];
-		}else if (s === 'end'){
-			this._bounds = [this.length(), this.length()];
-		}else if (s === 'selection'){
-			this.bounds ('all'); // first select the whole thing for constraining
-			this._bounds = this._nativeSelection();
-		}else if (s){
-			this._bounds = s; // don't error check now; the element may change at any moment, so constrain it when we need it.
-		}else{
-			var b = [
-				Math.max(0, Math.min (this.length(), this._bounds[0])),
-				Math.max(0, Math.min (this.length(), this._bounds[1]))
-			];
-			return b; // need to constrain it to fit
-		}
-		return this; // allow for chaining
-	},
-	select: function(){
-		this._nativeSelect(this._nativeRange(this.bounds()));
-		return this; // allow for chaining
-	},
-	text: function(text, select){
-		if (arguments.length){
-			this._nativeSetText(text, this._nativeRange(this.bounds()));
-			if (select == 'start'){
-				this.bounds ([this._bounds[0], this._bounds[0]]);
-				this.select();
-			}else if (select == 'end'){
-				this.bounds ([this._bounds[0]+text.length, this._bounds[0]+text.length]);
-				this.select();
-			}else if (select == 'all'){
-				this.bounds ([this._bounds[0], this._bounds[0]+text.length]);
-				this.select();
-			}
-			return this; // allow for chaining
-		}else{
-			return this._nativeGetText(this._nativeRange(this.bounds()));
-		}
-	},
-	insertEOL: function (){
-		this._nativeEOL();
-		this._bounds = [this._bounds[0]+1, this._bounds[0]+1]; // move past the EOL marker
-		return this;
-	}
+  length: function() {
+    return this._el[this._textProp].replace(/\r/g, '').length; // need to correct for IE's CrLf weirdness
+  },
+  bounds: function(s){
+    if (s === 'all'){
+      this._bounds = [0, this.length()];
+    }else if (s === 'start'){
+      this._bounds = [0, 0];
+    }else if (s === 'end'){
+      this._bounds = [this.length(), this.length()];
+    }else if (s === 'selection'){
+      this.bounds ('all'); // first select the whole thing for constraining
+      this._bounds = this._nativeSelection();
+    }else if (s){
+      this._bounds = s; // don't error check now; the element may change at any moment, so constrain it when we need it.
+    }else{
+      var b = [
+        Math.max(0, Math.min (this.length(), this._bounds[0])),
+        Math.max(0, Math.min (this.length(), this._bounds[1]))
+      ];
+      return b; // need to constrain it to fit
+    }
+    return this; // allow for chaining
+  },
+  select: function(){
+    this._nativeSelect(this._nativeRange(this.bounds()));
+    return this; // allow for chaining
+  },
+  text: function(text, select){
+    if (arguments.length){
+      this._nativeSetText(text, this._nativeRange(this.bounds()));
+      if (select == 'start'){
+        this.bounds ([this._bounds[0], this._bounds[0]]);
+        this.select();
+      }else if (select == 'end'){
+        this.bounds ([this._bounds[0]+text.length, this._bounds[0]+text.length]);
+        this.select();
+      }else if (select == 'all'){
+        this.bounds ([this._bounds[0], this._bounds[0]+text.length]);
+        this.select();
+      }
+      return this; // allow for chaining
+    }else{
+      return this._nativeGetText(this._nativeRange(this.bounds()));
+    }
+  },
+  insertEOL: function (){
+    this._nativeEOL();
+    this._bounds = [this._bounds[0]+1, this._bounds[0]+1]; // move past the EOL marker
+    return this;
+  }
 };
 
 
 function IERange(){}
 IERange.prototype = new Range();
 IERange.prototype._nativeRange = function (bounds){
-	var rng;
-	if (this._el.tagName == 'INPUT'){
-		// IE 8 is very inconsistent; textareas have createTextRange but it doesn't work
-		rng = this._el.createTextRange();
-	}else{
-		rng = this._doc.body.createTextRange ();
-		rng.moveToElementText(this._el);
-	}
-	if (bounds){
-		if (bounds[1] < 0) bounds[1] = 0; // IE tends to run elements out of bounds
-		if (bounds[0] > this.length()) bounds[0] = this.length();
-		if (bounds[1] < rng.text.replace(/\r/g, '').length){ // correct for IE's CrLf wierdness
-			// block-display elements have an invisible, uncounted end of element marker, so we move an extra one and use the current length of the range
-			rng.moveEnd ('character', -1);
-			rng.moveEnd ('character', bounds[1]-rng.text.replace(/\r/g, '').length);
-		}
-		if (bounds[0] > 0) rng.moveStart('character', bounds[0]);
-	}
-	return rng;					
+  var rng;
+  if (this._el.tagName == 'INPUT'){
+    // IE 8 is very inconsistent; textareas have createTextRange but it doesn't work
+    rng = this._el.createTextRange();
+  }else{
+    rng = this._doc.body.createTextRange ();
+    rng.moveToElementText(this._el);
+  }
+  if (bounds){
+    if (bounds[1] < 0) bounds[1] = 0; // IE tends to run elements out of bounds
+    if (bounds[0] > this.length()) bounds[0] = this.length();
+    if (bounds[1] < rng.text.replace(/\r/g, '').length){ // correct for IE's CrLf wierdness
+      // block-display elements have an invisible, uncounted end of element marker, so we move an extra one and use the current length of the range
+      rng.moveEnd ('character', -1);
+      rng.moveEnd ('character', bounds[1]-rng.text.replace(/\r/g, '').length);
+    }
+    if (bounds[0] > 0) rng.moveStart('character', bounds[0]);
+  }
+  return rng;
 };
 IERange.prototype._nativeSelect = function (rng){
-	rng.select();
+  rng.select();
 };
 IERange.prototype._nativeSelection = function (){
-	// returns [start, end] for the selection constrained to be in element
-	var rng = this._nativeRange(); // range of the element to constrain to
-	var len = this.length();
-	if (this._doc.selection.type != 'Text') return [0,0]; // append to the end
-	var sel = this._doc.selection.createRange();
-	try{
-		return [
-			iestart(sel, rng),
-			ieend (sel, rng)
-		];
-	}catch (e){
-		// IE gets upset sometimes about comparing text to input elements, but the selections cannot overlap, so make a best guess
-		return (sel.parentElement().sourceIndex < this._el.sourceIndex) ? [0,0] : [len, len];
-	}
+  // returns [start, end] for the selection constrained to be in element
+  var rng = this._nativeRange(); // range of the element to constrain to
+  var len = this.length();
+  if (this._doc.selection.type != 'Text') return [0,0]; // append to the end
+  var sel = this._doc.selection.createRange();
+  try{
+    return [
+      iestart(sel, rng),
+      ieend (sel, rng)
+    ];
+  }catch (e){
+    // IE gets upset sometimes about comparing text to input elements, but the selections cannot overlap, so make a best guess
+    return (sel.parentElement().sourceIndex < this._el.sourceIndex) ? [0,0] : [len, len];
+  }
 };
 IERange.prototype._nativeGetText = function (rng){
-	return rng.text.replace(/\r/g, ''); // correct for IE's CrLf weirdness
+  return rng.text.replace(/\r/g, ''); // correct for IE's CrLf weirdness
 };
 IERange.prototype._nativeSetText = function (text, rng){
-	rng.text = text;
+  rng.text = text;
 };
 IERange.prototype._nativeEOL = function(){
-	if (typeof this._el.value != 'undefined'){
-		this.text('\n'); // for input and textarea, insert it straight
-	}else{
-		this._nativeRange(this.bounds()).pasteHTML('<br/>');
-	}
+  if (typeof this._el.value != 'undefined'){
+    this.text('\n'); // for input and textarea, insert it straight
+  }else{
+    this._nativeRange(this.bounds()).pasteHTML('<br/>');
+  }
 };
 // IE internals
 function iestart(rng, constraint){
-	// returns the position (in character) of the start of rng within constraint. If it's not in constraint, returns 0 if it's before, length if it's after
-	var len = constraint.text.replace(/\r/g, '').length; // correct for IE's CrLf wierdness
-	if (rng.compareEndPoints ('StartToStart', constraint) <= 0) return 0; // at or before the beginning
-	if (rng.compareEndPoints ('StartToEnd', constraint) >= 0) return len;
-	for (var i = 0; rng.compareEndPoints ('StartToStart', constraint) > 0; ++i, rng.moveStart('character', -1));
-	return i;
+  // returns the position (in character) of the start of rng within constraint. If it's not in constraint, returns 0 if it's before, length if it's after
+  var len = constraint.text.replace(/\r/g, '').length; // correct for IE's CrLf wierdness
+  if (rng.compareEndPoints ('StartToStart', constraint) <= 0) return 0; // at or before the beginning
+  if (rng.compareEndPoints ('StartToEnd', constraint) >= 0) return len;
+  for (var i = 0; rng.compareEndPoints ('StartToStart', constraint) > 0; ++i, rng.moveStart('character', -1));
+  return i;
 }
 function ieend (rng, constraint){
-	// returns the position (in character) of the end of rng within constraint. If it's not in constraint, returns 0 if it's before, length if it's after
-	var len = constraint.text.replace(/\r/g, '').length; // correct for IE's CrLf wierdness
-	if (rng.compareEndPoints ('EndToEnd', constraint) >= 0) return len; // at or after the end
-	if (rng.compareEndPoints ('EndToStart', constraint) <= 0) return 0;
-	for (var i = 0; rng.compareEndPoints ('EndToStart', constraint) > 0; ++i, rng.moveEnd('character', -1));
-	return i;
+  // returns the position (in character) of the end of rng within constraint. If it's not in constraint, returns 0 if it's before, length if it's after
+  var len = constraint.text.replace(/\r/g, '').length; // correct for IE's CrLf wierdness
+  if (rng.compareEndPoints ('EndToEnd', constraint) >= 0) return len; // at or after the end
+  if (rng.compareEndPoints ('EndToStart', constraint) <= 0) return 0;
+  for (var i = 0; rng.compareEndPoints ('EndToStart', constraint) > 0; ++i, rng.moveEnd('character', -1));
+  return i;
 }
 
 // an input element in a standards document. "Native Range" is just the bounds array
 function InputRange(){}
 InputRange.prototype = new Range();
 InputRange.prototype._nativeRange = function(bounds) {
-	return bounds || [0, this.length()];
+  return bounds || [0, this.length()];
 };
 InputRange.prototype._nativeSelect = function (rng){
-	this._el.setSelectionRange(rng[0], rng[1]);
+  this._el.setSelectionRange(rng[0], rng[1]);
 };
 InputRange.prototype._nativeSelection = function(){
-	return [this._el.selectionStart, this._el.selectionEnd];
+  return [this._el.selectionStart, this._el.selectionEnd];
 };
 InputRange.prototype._nativeGetText = function(rng){
-	return this._el.value.substring(rng[0], rng[1]);
+  return this._el.value.substring(rng[0], rng[1]);
 };
 InputRange.prototype._nativeSetText = function(text, rng){
-	var val = this._el.value;
-	this._el.value = val.substring(0, rng[0]) + text + val.substring(rng[1]);
+  var val = this._el.value;
+  this._el.value = val.substring(0, rng[0]) + text + val.substring(rng[1]);
 };
 InputRange.prototype._nativeEOL = function(){
-	this.text('\n');
+  this.text('\n');
 };
 
 function W3CRange(){}
 W3CRange.prototype = new Range();
 W3CRange.prototype._nativeRange = function (bounds){
-	var rng = this._doc.createRange();
-	rng.selectNodeContents(this._el);
-	if (bounds){
-		w3cmoveBoundary (rng, bounds[0], true, this._el);
-		rng.collapse (true);
-		w3cmoveBoundary (rng, bounds[1]-bounds[0], false, this._el);
-	}
-	return rng;					
+  var rng = this._doc.createRange();
+  rng.selectNodeContents(this._el);
+  if (bounds){
+    w3cmoveBoundary (rng, bounds[0], true, this._el);
+    rng.collapse (true);
+    w3cmoveBoundary (rng, bounds[1]-bounds[0], false, this._el);
+  }
+  return rng;
 };
 W3CRange.prototype._nativeSelect = function (rng){
-	this._win.getSelection().removeAllRanges();
-	this._win.getSelection().addRange (rng);
+  this._win.getSelection().removeAllRanges();
+  this._win.getSelection().addRange (rng);
 };
 W3CRange.prototype._nativeSelection = function (){
-		// returns [start, end] for the selection constrained to be in element
-		var rng = this._nativeRange(); // range of the element to constrain to
-		if (this._win.getSelection().rangeCount == 0) return [this.length(), this.length()]; // append to the end
-		var sel = this._win.getSelection().getRangeAt(0);
-		return [
-			w3cstart(sel, rng),
-			w3cend (sel, rng)
-		];
-	}
+    // returns [start, end] for the selection constrained to be in element
+    var rng = this._nativeRange(); // range of the element to constrain to
+    if (this._win.getSelection().rangeCount == 0) return [this.length(), this.length()]; // append to the end
+    var sel = this._win.getSelection().getRangeAt(0);
+    return [
+      w3cstart(sel, rng),
+      w3cend (sel, rng)
+    ];
+  }
 W3CRange.prototype._nativeGetText = function (rng){
-	return rng.toString();
+  return rng.toString();
 };
 W3CRange.prototype._nativeSetText = function (text, rng){
-	rng.deleteContents();
-	rng.insertNode (this._doc.createTextNode(text));
-	this._el.normalize(); // merge the text with the surrounding text
+  rng.deleteContents();
+  rng.insertNode (this._doc.createTextNode(text));
+  this._el.normalize(); // merge the text with the surrounding text
 };
 W3CRange.prototype._nativeEOL = function(){
-	var rng = this._nativeRange(this.bounds());
-	rng.deleteContents();
-	var br = this._doc.createElement('br');
-	br.setAttribute ('_moz_dirty', ''); // for Firefox
-	rng.insertNode (br);
-	rng.insertNode (this._doc.createTextNode('\n'));
-	rng.collapse (false);
+  var rng = this._nativeRange(this.bounds());
+  rng.deleteContents();
+  var br = this._doc.createElement('br');
+  br.setAttribute ('_moz_dirty', ''); // for Firefox
+  rng.insertNode (br);
+  rng.insertNode (this._doc.createTextNode('\n'));
+  rng.collapse (false);
 };
 // W3C internals
 function nextnode (node, root){
-	//  in-order traversal
-	// we've already visited node, so get kids then siblings
-	if (node.firstChild) return node.firstChild;
-	if (node.nextSibling) return node.nextSibling;
-	if (node===root) return null;
-	while (node.parentNode){
-		// get uncles
-		node = node.parentNode;
-		if (node == root) return null;
-		if (node.nextSibling) return node.nextSibling;
-	}
-	return null;
+  //  in-order traversal
+  // we've already visited node, so get kids then siblings
+  if (node.firstChild) return node.firstChild;
+  if (node.nextSibling) return node.nextSibling;
+  if (node===root) return null;
+  while (node.parentNode){
+    // get uncles
+    node = node.parentNode;
+    if (node == root) return null;
+    if (node.nextSibling) return node.nextSibling;
+  }
+  return null;
 }
 function w3cmoveBoundary (rng, n, bStart, el){
-	// move the boundary (bStart == true ? start : end) n characters forward, up to the end of element el. Forward only!
-	// if the start is moved after the end, then an exception is raised
-	if (n <= 0) return;
-	var node = rng[bStart ? 'startContainer' : 'endContainer'];
-	if (node.nodeType == 3){
-	  // we may be starting somewhere into the text
-	  n += rng[bStart ? 'startOffset' : 'endOffset'];
-	}
-	while (node){
-		if (node.nodeType == 3){
-			if (n <= node.nodeValue.length){
-				rng[bStart ? 'setStart' : 'setEnd'](node, n);
-				// special case: if we end next to a <br>, include that node.
-				if (n == node.nodeValue.length){
-					// skip past zero-length text nodes
-					for (var next = nextnode (node, el); next && next.nodeType==3 && next.nodeValue.length == 0; next = nextnode(next, el)){
-						rng[bStart ? 'setStartAfter' : 'setEndAfter'](next);
-					}
-					if (next && next.nodeType == 1 && next.nodeName == "BR") rng[bStart ? 'setStartAfter' : 'setEndAfter'](next);
-				}
-				return;
-			}else{
-				rng[bStart ? 'setStartAfter' : 'setEndAfter'](node); // skip past this one
-				n -= node.nodeValue.length; // and eat these characters
-			}
-		}
-		node = nextnode (node, el);
-	}
+  // move the boundary (bStart == true ? start : end) n characters forward, up to the end of element el. Forward only!
+  // if the start is moved after the end, then an exception is raised
+  if (n <= 0) return;
+  var node = rng[bStart ? 'startContainer' : 'endContainer'];
+  if (node.nodeType == 3){
+    // we may be starting somewhere into the text
+    n += rng[bStart ? 'startOffset' : 'endOffset'];
+  }
+  while (node){
+    if (node.nodeType == 3){
+      if (n <= node.nodeValue.length){
+        rng[bStart ? 'setStart' : 'setEnd'](node, n);
+        // special case: if we end next to a <br>, include that node.
+        if (n == node.nodeValue.length){
+          // skip past zero-length text nodes
+          for (var next = nextnode (node, el); next && next.nodeType==3 && next.nodeValue.length == 0; next = nextnode(next, el)){
+            rng[bStart ? 'setStartAfter' : 'setEndAfter'](next);
+          }
+          if (next && next.nodeType == 1 && next.nodeName == "BR") rng[bStart ? 'setStartAfter' : 'setEndAfter'](next);
+        }
+        return;
+      }else{
+        rng[bStart ? 'setStartAfter' : 'setEndAfter'](node); // skip past this one
+        n -= node.nodeValue.length; // and eat these characters
+      }
+    }
+    node = nextnode (node, el);
+  }
 }
 var     START_TO_START                 = 0; // from the w3c definitions
 var     START_TO_END                   = 1;
@@ -311,39 +311,39 @@ var     END_TO_START                   = 3;
     // * Range.START_TO_END compares the start boundary-point of sourceRange to the end boundary-point of range.
     // * Range.START_TO_START compares the start boundary-point of sourceRange to the start boundary-point of range. 
 function w3cstart(rng, constraint){
-	if (rng.compareBoundaryPoints (START_TO_START, constraint) <= 0) return 0; // at or before the beginning
-	if (rng.compareBoundaryPoints (END_TO_START, constraint) >= 0) return constraint.toString().length;
-	rng = rng.cloneRange(); // don't change the original
-	rng.setEnd (constraint.endContainer, constraint.endOffset); // they now end at the same place
-	return constraint.toString().length - rng.toString().length;
+  if (rng.compareBoundaryPoints (START_TO_START, constraint) <= 0) return 0; // at or before the beginning
+  if (rng.compareBoundaryPoints (END_TO_START, constraint) >= 0) return constraint.toString().length;
+  rng = rng.cloneRange(); // don't change the original
+  rng.setEnd (constraint.endContainer, constraint.endOffset); // they now end at the same place
+  return constraint.toString().length - rng.toString().length;
 }
 function w3cend (rng, constraint){
-	if (rng.compareBoundaryPoints (END_TO_END, constraint) >= 0) return constraint.toString().length; // at or after the end
-	if (rng.compareBoundaryPoints (START_TO_END, constraint) <= 0) return 0;
-	rng = rng.cloneRange(); // don't change the original
-	rng.setStart (constraint.startContainer, constraint.startOffset); // they now start at the same place
-	return rng.toString().length;
+  if (rng.compareBoundaryPoints (END_TO_END, constraint) >= 0) return constraint.toString().length; // at or after the end
+  if (rng.compareBoundaryPoints (START_TO_END, constraint) <= 0) return 0;
+  rng = rng.cloneRange(); // don't change the original
+  rng.setStart (constraint.startContainer, constraint.startOffset); // they now start at the same place
+  return rng.toString().length;
 }
 
 function NothingRange(){}
 NothingRange.prototype = new Range();
 NothingRange.prototype._nativeRange = function(bounds) {
-	return bounds || [0,this.length()];
+  return bounds || [0,this.length()];
 };
 NothingRange.prototype._nativeSelect = function (rng){ // do nothing
 };
 NothingRange.prototype._nativeSelection = function(){
-	return [0,0];
+  return [0,0];
 };
 NothingRange.prototype._nativeGetText = function (rng){
-	return this._el[this._textProp].substring(rng[0], rng[1]);
+  return this._el[this._textProp].substring(rng[0], rng[1]);
 };
 NothingRange.prototype._nativeSetText = function (text, rng){
-	var val = this._el[this._textProp];
-	this._el[this._textProp] = val.substring(0, rng[0]) + text + val.substring(rng[1]);
+  var val = this._el[this._textProp];
+  this._el[this._textProp] = val.substring(0, rng[0]) + text + val.substring(rng[1]);
 };
 NothingRange.prototype._nativeEOL = function(){
-	this.text('\n');
+  this.text('\n');
 };
 
 })(jQuery);
@@ -378,90 +378,90 @@ NothingRange.prototype._nativeEOL = function(){
 (function($){
 
 $.fn.sendkeys = function (x, opts){
-	return this.each( function(){
-		var localkeys = $.extend({}, opts, $(this).data('sendkeys')); // allow for element-specific key functions
-		// most elements to not keep track of their selection when they lose focus, so we have to do it for them
-		var rng = $.data (this, 'sendkeys.selection');
-		if (!rng){
-			rng = bililiteRange(this).bounds('selection');
-			$.data(this, 'sendkeys.selection', rng);
-			$(this).bind('mouseup.sendkeys', function(){
-				// we have to update the saved range. The routines here update the bounds with each press, but actual keypresses and mouseclicks do not
-				$.data(this, 'sendkeys.selection').bounds('selection');
-			}).bind('keyup.sendkeys', function(evt){
-				// restore the selection if we got here with a tab (a click should select what was clicked on)
-				if (evt.which == 9){
-					// there's a flash of selection when we restore the focus, but I don't know how to avoid that.
-					$.data(this, 'sendkeys.selection').select();
-				}else{
-					$.data(this, 'sendkeys.selection').bounds('selection');
-				}	
-			});
-		}
-		this.focus();
-		if (typeof x === 'undefined') return; // no string, so we just set up the event handlers
-		$.data(this, 'sendkeys.originalText', rng.text());
-		x.replace(/\n/g, '{enter}'). // turn line feeds into explicit break insertions
-		  replace(/{[^}]*}|[^{]+/g, function(s){
-				(localkeys[s] || $.fn.sendkeys.defaults[s] || $.fn.sendkeys.defaults.simplechar)(rng, s);
-		  });
-		$(this).trigger({type: 'sendkeys', which: x});
-	});
+  return this.each( function(){
+    var localkeys = $.extend({}, opts, $(this).data('sendkeys')); // allow for element-specific key functions
+    // most elements to not keep track of their selection when they lose focus, so we have to do it for them
+    var rng = $.data (this, 'sendkeys.selection');
+    if (!rng){
+      rng = bililiteRange(this).bounds('selection');
+      $.data(this, 'sendkeys.selection', rng);
+      $(this).bind('mouseup.sendkeys', function(){
+        // we have to update the saved range. The routines here update the bounds with each press, but actual keypresses and mouseclicks do not
+        $.data(this, 'sendkeys.selection').bounds('selection');
+      }).bind('keyup.sendkeys', function(evt){
+        // restore the selection if we got here with a tab (a click should select what was clicked on)
+        if (evt.which == 9){
+          // there's a flash of selection when we restore the focus, but I don't know how to avoid that
+          $.data(this, 'sendkeys.selection').select();
+        }else{
+          $.data(this, 'sendkeys.selection').bounds('selection');
+        }
+      });
+    }
+    this.focus();
+    if (typeof x === 'undefined') return; // no string, so we just set up the event handlers
+    $.data(this, 'sendkeys.originalText', rng.text());
+    x.replace(/\n/g, '{enter}'). // turn line feeds into explicit break insertions
+      replace(/{[^}]*}|[^{]+/g, function(s){
+        (localkeys[s] || $.fn.sendkeys.defaults[s] || $.fn.sendkeys.defaults.simplechar)(rng, s);
+      });
+    $(this).trigger({type: 'sendkeys', which: x});
+  });
 }; // sendkeys
 
 
 // add the functions publicly so they can be overridden
 $.fn.sendkeys.defaults = {
-	simplechar: function (rng, s){
-		rng.text(s, 'end');
-		for (var i =0; i < s.length; ++i){
-			var x = s.charCodeAt(i);
-			// a bit of cheating: rng._el is the element associated with rng.
-			$(rng._el).trigger({type: 'keypress', keyCode: x, which: x, charCode: x});
-		}
-	},
-	'{{}': function (rng){
-		$.fn.sendkeys.defaults.simplechar (rng, '{')
-	},
-	'{enter}': function (rng){
-		rng.insertEOL();
-		rng.select();
-		var x = '\n'.charCodeAt(0);
-		$(rng._el).trigger({type: 'keypress', keyCode: x, which: x, charCode: x});
-	},
-	'{backspace}': function (rng){
-		var b = rng.bounds();
-		if (b[0] == b[1]) rng.bounds([b[0]-1, b[0]]); // no characters selected; it's just an insertion point. Remove the previous character
-		rng.text('', 'end'); // delete the characters and update the selection
-	},
-	'{del}': function (rng){
-		var b = rng.bounds();
-		if (b[0] == b[1]) rng.bounds([b[0], b[0]+1]); // no characters selected; it's just an insertion point. Remove the next character
-		rng.text('', 'end'); // delete the characters and update the selection
-	},
-	'{rightarrow}':  function (rng){
-		var b = rng.bounds();
-		if (b[0] == b[1]) ++b[1]; // no characters selected; it's just an insertion point. Move to the right
-		rng.bounds([b[1], b[1]]).select();
-	},
-	'{leftarrow}': function (rng){
-		var b = rng.bounds();
-		if (b[0] == b[1]) --b[0]; // no characters selected; it's just an insertion point. Move to the left
-		rng.bounds([b[0], b[0]]).select();
-	},
-	'{selectall}' : function (rng){
-		rng.bounds('all').select();
-	},
-	'{selection}': function (rng){
-		$.fn.sendkeys.defaults.simplechar(rng, $.data(rng._el, 'sendkeys.originalText'));
-	},
-	'{mark}' : function (rng){
-		var bounds = rng.bounds();
-		$(rng._el).one('sendkeys', function(){
-			// set up the event listener to change the selection after the sendkeys is done
-			rng.bounds(bounds).select();
-		});
-	}
+  simplechar: function (rng, s){
+    rng.text(s, 'end');
+    for (var i =0; i < s.length; ++i){
+      var x = s.charCodeAt(i);
+      // a bit of cheating: rng._el is the element associated with rng.
+      $(rng._el).trigger({type: 'keypress', keyCode: x, which: x, charCode: x});
+    }
+  },
+  '{{}': function (rng){
+    $.fn.sendkeys.defaults.simplechar (rng, '{')
+  },
+  '{enter}': function (rng){
+    rng.insertEOL();
+    rng.select();
+    var x = '\n'.charCodeAt(0);
+    $(rng._el).trigger({type: 'keypress', keyCode: x, which: x, charCode: x});
+  },
+  '{backspace}': function (rng){
+    var b = rng.bounds();
+    if (b[0] == b[1]) rng.bounds([b[0]-1, b[0]]); // no characters selected; it's just an insertion point. Remove the previous character
+    rng.text('', 'end'); // delete the characters and update the selection
+  },
+  '{del}': function (rng){
+    var b = rng.bounds();
+    if (b[0] == b[1]) rng.bounds([b[0], b[0]+1]); // no characters selected; it's just an insertion point. Remove the next character
+    rng.text('', 'end'); // delete the characters and update the selection
+  },
+  '{rightarrow}':  function (rng){
+    var b = rng.bounds();
+    if (b[0] == b[1]) ++b[1]; // no characters selected; it's just an insertion point. Move to the right
+    rng.bounds([b[1], b[1]]).select();
+  },
+  '{leftarrow}': function (rng){
+    var b = rng.bounds();
+    if (b[0] == b[1]) --b[0]; // no characters selected; it's just an insertion point. Move to the left
+    rng.bounds([b[0], b[0]]).select();
+  },
+  '{selectall}' : function (rng){
+    rng.bounds('all').select();
+  },
+  '{selection}': function (rng){
+    $.fn.sendkeys.defaults.simplechar(rng, $.data(rng._el, 'sendkeys.originalText'));
+  },
+  '{mark}' : function (rng){
+    var bounds = rng.bounds();
+    $(rng._el).one('sendkeys', function(){
+      // set up the event listener to change the selection after the sendkeys is done
+      rng.bounds(bounds).select();
+    });
+  }
 };
 
 })(jQuery)
diff --git a/tests/frontend/runner.js b/tests/frontend/runner.js
index 55f0a45b..8f722125 100644
--- a/tests/frontend/runner.js
+++ b/tests/frontend/runner.js
@@ -188,14 +188,14 @@ $(function(){
 
   //initalize the test helper
   helper.init(function(){
-	  //configure and start the test framework
+    //configure and start the test framework
     var grep = getURLParameter("grep");
     if(grep != "null"){
       mocha.grep(grep);
     }
 
-	  mocha.ignoreLeaks();
-		
+    mocha.ignoreLeaks();
+
     mocha.reporter(WebdriverAndHtmlReporter(mocha._reporter));
 
     mocha.run();
diff --git a/tests/frontend/specs/alphabet.js b/tests/frontend/specs/alphabet.js
index 131a81c0..ae9570e4 100644
--- a/tests/frontend/specs/alphabet.js
+++ b/tests/frontend/specs/alphabet.js
@@ -18,7 +18,7 @@ describe("All the alphabet works n stuff", function(){
     firstTextElement.sendkeys('{selectall}'); // select all
     firstTextElement.sendkeys('{del}'); // clear the first line
     firstTextElement.sendkeys(expectedString); // insert the string
-	  
+
     helper.waitFor(function(){
       return inner$("div").first().text() === expectedString;
     }, 2000).done(done);
diff --git a/tests/frontend/specs/chat.js b/tests/frontend/specs/chat.js
index a488193f..ccb8b569 100644
--- a/tests/frontend/specs/chat.js
+++ b/tests/frontend/specs/chat.js
@@ -41,7 +41,7 @@ describe("Chat messages and UI", function(){
   it("makes sure that an empty message can't be sent", function(done) {
     var inner$ = helper.padInner$; 
     var chrome$ = helper.padChrome$; 
-	
+
     //click on the chat button to make chat visible
     var $chatButton = chrome$("#chaticon");
     $chatButton.click();
diff --git a/tests/frontend/specs/helper.js b/tests/frontend/specs/helper.js
index 621b3c3a..d5bff629 100644
--- a/tests/frontend/specs/helper.js
+++ b/tests/frontend/specs/helper.js
@@ -6,14 +6,14 @@ describe("the test helper", function(){
       var times = 10;
 
       var loadPad = function(){
-      	helper.newPad(function(){
+        helper.newPad(function(){
           times--;
           if(times > 0){
             loadPad();
           } else {
             done();
           }
-      	})
+        })
       }
 
       loadPad();
@@ -22,8 +22,8 @@ describe("the test helper", function(){
     it("gives me 3 jquery instances of chrome, outer and inner", function(done){
       this.timeout(5000);
 
-    	helper.newPad(function(){
-    		//check if the jquery selectors have the desired elements
+      helper.newPad(function(){
+        //check if the jquery selectors have the desired elements
         expect(helper.padChrome$("#editbar").length).to.be(1);
         expect(helper.padOuter$("#outerdocbody").length).to.be(1);
         expect(helper.padInner$("#innerdocbody").length).to.be(1);
@@ -39,61 +39,61 @@ describe("the test helper", function(){
   });
 
   describe("the waitFor method", function(){
-  	it("takes a timeout and waits long enough", function(done){
-  		this.timeout(2000);
+    it("takes a timeout and waits long enough", function(done){
+      this.timeout(2000);
       var startTime = new Date().getTime();
 
       helper.waitFor(function(){
-        return false;	
+        return false;
       }, 1500).fail(function(){
-      	var duration = new Date().getTime() - startTime;
+        var duration = new Date().getTime() - startTime;
         expect(duration).to.be.greaterThan(1400);
         done();
       });
-  	});
+    });
 
-  	it("takes an interval and checks on every interval", function(done){
+    it("takes an interval and checks on every interval", function(done){
       this.timeout(4000);
       var checks = 0;
  
       helper.waitFor(function(){
         checks++;
-        return false;	
+        return false;
       }, 2000, 100).fail(function(){
         expect(checks).to.be.greaterThan(10);
         expect(checks).to.be.lessThan(30);
         done();
       });
-  	});
+    });
 
-  	describe("returns a deferred object", function(){
+    describe("returns a deferred object", function(){
       it("it calls done after success", function(done){
         helper.waitFor(function(){
-	        return true;	
-	      }).done(function(){
+          return true;
+        }).done(function(){
           done();
-	      });
+        });
       });
 
       it("calls fail after failure", function(done){
-				helper.waitFor(function(){
-	        return false;	
-	      },0).fail(function(){
+        helper.waitFor(function(){
+          return false;
+        },0).fail(function(){
           done();
-	      });
+        });
       });
 
       xit("throws if you don't listen for fails", function(done){
-	      var onerror = window.onerror;
-				window.onerror = function(){
+        var onerror = window.onerror;
+        window.onerror = function(){
           window.onerror = onerror;
-					done();
-				}
+          done();
+        }
 
-				helper.waitFor(function(){
-	        return false;	
-	      },100);
+        helper.waitFor(function(){
+          return false;
+        },100);
       });
-  	});
+    });
   });
-});
\ No newline at end of file
+});
diff --git a/tests/frontend/specs/indentation.js b/tests/frontend/specs/indentation.js
index 9692120a..3d14a7a8 100644
--- a/tests/frontend/specs/indentation.js
+++ b/tests/frontend/specs/indentation.js
@@ -158,8 +158,8 @@ describe("indentation button", function(){
     testHelper.selectText(firstTextElement[0], $inner);
 
     /* this test creates the below content, both should have double indentation
-		line1
-		line2
+    line1
+    line2
     
 
     firstTextElement.sendkeys('{rightarrow}'); // simulate a keypress of enter
diff --git a/tests/frontend/specs/urls_become_clickable.js b/tests/frontend/specs/urls_become_clickable.js
index 8c72d748..2de60bf9 100644
--- a/tests/frontend/specs/urls_become_clickable.js
+++ b/tests/frontend/specs/urls_become_clickable.js
@@ -16,7 +16,7 @@ describe("urls", function(){
     firstTextElement.sendkeys('{selectall}'); // select all
     firstTextElement.sendkeys('{del}'); // clear the first line
     firstTextElement.sendkeys('http://etherpad.org'); // insert a URL
-	  
+
     helper.waitFor(function(){
       return inner$("div").first().find("a").length === 1;
     }, 2000).done(done);
diff --git a/tests/frontend/travis/remote_runner.js b/tests/frontend/travis/remote_runner.js
index f7edae22..b94d8c3e 100644
--- a/tests/frontend/travis/remote_runner.js
+++ b/tests/frontend/travis/remote_runner.js
@@ -3,7 +3,7 @@ var wd = require(srcFolder + "wd");
 var async = require(srcFolder + "async");
 
 var config = {
-	  host: "ondemand.saucelabs.com"
+    host: "ondemand.saucelabs.com"
   , port: 80
   , username: process.env.SAUCE_USER
   , accessKey: process.env.SAUCE_ACCESS_KEY
@@ -107,4 +107,4 @@ sauceTestWorker.drain = function() {
   setTimeout(function(){
     process.exit(allTestsPassed ? 0 : 1);
   }, 3000);
-}
\ No newline at end of file
+}