diff --git a/lib/ace/lib/dom.js b/lib/ace/lib/dom.js
index 19e88899..22c5bf18 100644
--- a/lib/ace/lib/dom.js
+++ b/lib/ace/lib/dom.js
@@ -177,7 +177,7 @@ exports.importCssString = function importCssString(cssText, id, doc) {
 
 exports.importCssStylsheet = function(uri, doc) {
     if (doc.createStyleSheet) {
-        var sheet = doc.createStyleSheet(uri);
+        doc.createStyleSheet(uri);
     } else {
         var link = exports.createElement('link');
         link.rel = 'stylesheet';
@@ -189,13 +189,19 @@ exports.importCssStylsheet = function(uri, doc) {
 };
 
 exports.getInnerWidth = function(element) {
-    return (parseInt(exports.computedStyle(element, "paddingLeft"))
-            + parseInt(exports.computedStyle(element, "paddingRight")) + element.clientWidth);
+    return (
+        parseInt(exports.computedStyle(element, "paddingLeft"), 10) +
+        parseInt(exports.computedStyle(element, "paddingRight"), 10) + 
+        element.clientWidth
+    );
 };
 
 exports.getInnerHeight = function(element) {
-    return (parseInt(exports.computedStyle(element, "paddingTop"))
-            + parseInt(exports.computedStyle(element, "paddingBottom")) + element.clientHeight);
+    return (
+        parseInt(exports.computedStyle(element, "paddingTop"), 10) +
+        parseInt(exports.computedStyle(element, "paddingBottom"), 10) +
+        element.clientHeight
+    );
 };
 
 if (window.pageYOffset !== undefined) {
@@ -221,13 +227,13 @@ if (window.getComputedStyle)
     exports.computedStyle = function(element, style) {
         if (style)
             return (window.getComputedStyle(element, "") || {})[style] || "";
-        return window.getComputedStyle(element, "") || {}
+        return window.getComputedStyle(element, "") || {};
     };
 else
     exports.computedStyle = function(element, style) {
         if (style)
             return element.currentStyle[style];
-        return element.currentStyle
+        return element.currentStyle;
     };
 
 exports.scrollbarWidth = function(document) {
@@ -300,36 +306,4 @@ exports.getParentWindow = function(document) {
     return document.defaultView || document.parentWindow;
 };
 
-exports.getSelectionStart = function(textarea) {
-    // TODO IE
-    var start;
-    try {
-        start = textarea.selectionStart || 0;
-    } catch (e) {
-        start = 0;
-    }
-    return start;
-};
-
-exports.setSelectionStart = function(textarea, start) {
-    // TODO IE
-    return textarea.selectionStart = start;
-};
-
-exports.getSelectionEnd = function(textarea) {
-    // TODO IE
-    var end;
-    try {
-        end = textarea.selectionEnd || 0;
-    } catch (e) {
-        end = 0;
-    }
-    return end;
-};
-
-exports.setSelectionEnd = function(textarea, end) {
-    // TODO IE
-    return textarea.selectionEnd = end;
-};
-
 });
diff --git a/lib/ace/lib/lang.js b/lib/ace/lib/lang.js
index fb8d8802..d023df8a 100644
--- a/lib/ace/lib/lang.js
+++ b/lib/ace/lib/lang.js
@@ -49,7 +49,7 @@ var trimBeginRegexp = /^\s\s*/;
 var trimEndRegexp = /\s\s*$/;
 
 exports.stringTrimLeft = function (string) {
-    return string.replace(trimBeginRegexp, '')
+    return string.replace(trimBeginRegexp, '');
 };
 
 exports.stringTrimRight = function (string) {
@@ -66,11 +66,11 @@ exports.copyObject = function(obj) {
 
 exports.copyArray = function(array){
     var copy = [];
-    for (i=0, l=array.length; i<l; i++) {
+    for (var i=0, l=array.length; i<l; i++) {
         if (array[i] && typeof array[i] == "object")
             copy[i] = this.copyObject( array[i] );
         else 
-            copy[i] = array[i]
+            copy[i] = array[i];
     }
     return copy;
 };
@@ -89,7 +89,7 @@ exports.deepCopy = function (obj) {
         }
     }
     return copy;
-}
+};
 
 exports.arrayToMap = function(arr) {
     var map = {};
@@ -127,7 +127,7 @@ exports.deferredCall = function(fcn) {
         deferred.cancel();
         timer = setTimeout(callback, timeout || 0);
         return deferred;
-    }
+    };
 
     deferred.schedule = deferred;