diff --git a/common/content/dactyl.js b/common/content/dactyl.js
index a8c03a8b..21a16857 100644
--- a/common/content/dactyl.js
+++ b/common/content/dactyl.js
@@ -664,8 +664,7 @@ const Dactyl = Module("dactyl", {
      * @param {XMLList} extraHelp Extra help text beyond the description.
      * @returns {string}
      */
-    generateHelp: function generateHelp(obj, extraHelp)
-    {
+    generateHelp: function generateHelp(obj, extraHelp) {
         default xml namespace = "";
         let spec = util.identity;
         let tag = util.identity;
@@ -1461,8 +1460,8 @@ const Dactyl = Module("dactyl", {
                         services.get("extensionManager").uninstallItem(this.id);
                     };
                     addon.appDisabled = false;
-                    addon.__defineGetter__("userDisabled", function() getRdfProperty("userDisabled") == "true");
-                    addon.__defineSetter__("userDisabled", function(val) {
+                    addon.__defineGetter__("userDisabled", function () getRdfProperty("userDisabled") == "true");
+                    addon.__defineSetter__("userDisabled", function (val) {
                         services.get("extensionManager")[val ? "enableItem" : "disableItem"](this.id);
                     });
 
diff --git a/common/content/finder.js b/common/content/finder.js
index 82e1683c..485bc0bd 100644
--- a/common/content/finder.js
+++ b/common/content/finder.js
@@ -344,7 +344,7 @@ const RangeFind = Class("RangeFind", {
         }
     },
 
-    focus: function() {
+    focus: function () {
         if (this.lastRange)
             var node = util.evaluateXPath(RangeFind.selectNodePath, this.range.document,
                                           this.lastRange.commonAncestorContainer).snapshotItem(0);
diff --git a/common/content/javascript.js b/common/content/javascript.js
index bbe0bdcb..cd26cfd8 100644
--- a/common/content/javascript.js
+++ b/common/content/javascript.js
@@ -316,7 +316,7 @@ const JavaScript = Module("javascript", {
         if (!compl) {
             compl = function (context, obj, recurse) {
 
-                context.process[1] = function highlight(item, v) 
+                context.process[1] = function highlight(item, v)
                     template.highlight(typeof v == "xml" ? new String(v.toXMLString()) : v, true);
 
                 // Sort in a logical fashion for object keys:
diff --git a/common/content/modules.js b/common/content/modules.js
index cfc58511..82d46d0e 100644
--- a/common/content/modules.js
+++ b/common/content/modules.js
@@ -75,8 +75,8 @@ Module.constructors = {};
 window.addEventListener("load", function onLoad() {
     window.removeEventListener("load", onLoad, false);
 
-    Module.list.forEach(function(module) {
-        modules.__defineGetter__(module.classname, function() {
+    Module.list.forEach(function (module) {
+        modules.__defineGetter__(module.classname, function () {
             delete modules[module.classname];
             return load(module.classname, null, Components.stack.caller);
         });
diff --git a/common/content/tabs.js b/common/content/tabs.js
index 9c631adc..5cafc431 100644
--- a/common/content/tabs.js
+++ b/common/content/tabs.js
@@ -315,7 +315,7 @@ const Tabs = Module("tabs", {
             config.tabbrowser.mTabContainer.selectedItem = tabs[next];
 
         if (focusLeftTab)
-            tabs.slice(Math.max(0, index+1 - count), index+1).forEach(config.removeTab);
+            tabs.slice(Math.max(0, index + 1 - count), index + 1).forEach(config.removeTab);
         else
             tabs.slice(index, index + count).forEach(config.removeTab);
     },
diff --git a/common/locale/en-US/browsing.xml b/common/locale/en-US/browsing.xml
index 794be08d..576376a9 100644
--- a/common/locale/en-US/browsing.xml
+++ b/common/locale/en-US/browsing.xml
@@ -15,7 +15,7 @@
 
 &dactyl.appname; overrides nearly all &dactyl.host; keys in order to
 make browsing more pleasant for Vim users. On the occasions when you
-want to bypass &dactyl.appname;'s key handling and pass keys directly to 
+want to bypass &dactyl.appname;'s key handling and pass keys directly to
 &dactyl.host; or to a web page, you have two options:
 
 <item>
diff --git a/common/locale/en-US/developer.xml b/common/locale/en-US/developer.xml
index 0b643010..79f72926 100644
--- a/common/locale/en-US/developer.xml
+++ b/common/locale/en-US/developer.xml
@@ -215,7 +215,7 @@ XML.prettyPrinting   = <hl key="Boolean">false</hl>;
     otherwise. Beginning your file with <str>use strict</str>, while
     not required, helps to prevent a lot of common errors.
 </p>
-    
+
 <p>
     The documentation that you provide behaves exactly as other
     &dactyl.appname; documentation, which means that the tags you
diff --git a/common/locale/en-US/hints.xml b/common/locale/en-US/hints.xml
index 3454df61..93a20c44 100644
--- a/common/locale/en-US/hints.xml
+++ b/common/locale/en-US/hints.xml
@@ -126,7 +126,7 @@
             <k>;V</k>, <k>;Y</k> and <k>;c</k>. The value of
             <o>extendedhinttags</o> is used to choose the elements
             for, <k>;s</k>, <k>;a</k>, <k>;o</k>, <k>;t</k>,
-            <k>;b</k>, <k>;O</k>, <k>;T</k>, <k>;W</k>, <k>;y</k>, 
+            <k>;b</k>, <k>;O</k>, <k>;T</k>, <k>;W</k>, <k>;y</k>,
         </p>
     </description>
 </item>
diff --git a/common/locale/en-US/options.xml b/common/locale/en-US/options.xml
index 35d65ea0..ec3340e3 100644
--- a/common/locale/en-US/options.xml
+++ b/common/locale/en-US/options.xml
@@ -1387,7 +1387,7 @@
     <default></default>
     <description>
         <p>
-            List of file patterns to ignore when completing files. For example, 
+            List of file patterns to ignore when completing files. For example,
             the following will ignore object files and Vim swap files:
         </p>
 
diff --git a/common/locale/en-US/repeat.xml b/common/locale/en-US/repeat.xml
index 48681492..47c5bd00 100644
--- a/common/locale/en-US/repeat.xml
+++ b/common/locale/en-US/repeat.xml
@@ -123,7 +123,7 @@
             else is interpreted as Ex commands. In normal cases, any errors
             generated by the execution or non-existence of <a>file</a> are
             printed to the <t>command-line</t> area.  When <oa>!</oa> is
-            provided, these are suppressed. 
+            provided, these are suppressed.
         </p>
 
         <p>
@@ -140,7 +140,7 @@
             page and every chrome document, including all browser windows and
             dialogs. If the same file is sourced more than once, its previous
             rules are cleared before it is applied again. Rules can be
-            restricted to specific documents by enclosing them 
+            restricted to specific documents by enclosing them
             <link topic="https://developer.mozilla.org/en/CSS/@-moz-document">@-moz-document</link>
             blocks.
         </p>
diff --git a/common/modules/styles.jsm b/common/modules/styles.jsm
index 11d39197..5e8dbd3e 100644
--- a/common/modules/styles.jsm
+++ b/common/modules/styles.jsm
@@ -71,7 +71,7 @@ Sheet.prototype.__defineGetter__("fullCSS", function wrapCSS() {
  * @author Kris Maglione <maglione.k@gmail.com>
  */
 const Styles = Module("Styles", {
-    init: function() {
+    init: function () {
         this._id = 0;
         this.userSheets = [];
         this.systemSheets = [];
diff --git a/pentadactyl/locale/en-US/intro.xml b/pentadactyl/locale/en-US/intro.xml
index 2ef98ab7..1430a72c 100644
--- a/pentadactyl/locale/en-US/intro.xml
+++ b/pentadactyl/locale/en-US/intro.xml
@@ -16,7 +16,7 @@
 <p>
     <link topic="&dactyl.apphome;">&dactyl.appname;</link> is a
     free browser add-on for &dactyl.host;, designed to make browsing more
-    efficient and especially more keyboard accessible. Largely inspired by the 
+    efficient and especially more keyboard accessible. Largely inspired by the
     <link topic="http://www.vim.org">Vim</link> text editor, the appearance
     and finger feel should be familiar to Vim users.
 </p>
diff --git a/teledactyl/content/mail.js b/teledactyl/content/mail.js
index 80699221..37730253 100644
--- a/teledactyl/content/mail.js
+++ b/teledactyl/content/mail.js
@@ -107,7 +107,7 @@ const Mail = Module("mail", {
         let i = direction;
         let folder;
         while (count > 0 && (c + i) < gFolderTreeView.rowCount && (c + i) >= 0) {
-            let resource = gFolderTreeView._rowMap[c+i]._folder;
+            let resource = gFolderTreeView._rowMap[c + i]._folder;
             if (!resource.isServer && resource.getNumUnread(false)) {
                 count -= 1;
                 folder = i;
diff --git a/xulmus/locale/en-US/intro.xml b/xulmus/locale/en-US/intro.xml
index 4a05bcb2..02dd83f7 100644
--- a/xulmus/locale/en-US/intro.xml
+++ b/xulmus/locale/en-US/intro.xml
@@ -17,7 +17,7 @@
 is a free media player add-on for &dactyl.host;, which
 combines the best features of the
 <link topic="http://cmus.sourceforge.net">CMus</link>
-music player and the 
+music player and the
 <link topic="http://www.vim.org">Vim</link>
 text editor.