diff --git a/common/content/dactyl.js b/common/content/dactyl.js
index 08b7a73b..4e84dec2 100644
--- a/common/content/dactyl.js
+++ b/common/content/dactyl.js
@@ -630,7 +630,6 @@ const Dactyl = Module("dactyl", {
             </item></>.toXMLString(), true);
     },
 
-
     /**
      * Opens the help page containing the specified <b>topic</b> if it
      * exists.
@@ -824,7 +823,7 @@ const Dactyl = Module("dactyl", {
                     break;
                 }
             }
-            catch(e) {}
+            catch (e) {}
             // Unfortunately, failed page loads throw exceptions and
             // cause a lot of unwanted noise. This solution means that
             // any genuine errors go unreported.
diff --git a/common/content/events.js b/common/content/events.js
index 26607990..a8cc8ac5 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -746,7 +746,7 @@ const Events = Module("events", {
                 return;
             }
 
-            if(isinstance(elem, [HTMLEmbedElement, HTMLEmbedElement])) {
+            if (isinstance(elem, [HTMLEmbedElement, HTMLEmbedElement])) {
                 dactyl.mode = modes.EMBED;
                 return;
             }
@@ -1027,7 +1027,7 @@ const Events = Module("events", {
     onMouseDown: function (event) {
         let elem = event.target;
         let win = elem.ownerDocument && elem.ownerDocument.defaultView || elem;
-        for(; win; win = win != win.parent && win.parent)
+        for (; win; win = win != win.parent && win.parent)
             win.dactylFocusAllowed = true;
     },
 
diff --git a/common/content/io.js b/common/content/io.js
index efab3aa7..082904f9 100644
--- a/common/content/io.js
+++ b/common/content/io.js
@@ -67,7 +67,6 @@ const IO = Module("io", {
         services.get("downloadManager").addListener(this.downloadListener);
     },
 
-
     // TODO: there seems to be no way, short of a new component, to change
     // the process's CWD - see https://bugzilla.mozilla.org/show_bug.cgi?id=280953
     /**
diff --git a/common/content/marks.js b/common/content/marks.js
index 735210eb..ac99c9c5 100644
--- a/common/content/marks.js
+++ b/common/content/marks.js
@@ -17,10 +17,10 @@ const Marks = Module("marks", {
         this._urlMarks = storage.newMap("url-marks", { privateData: true, replacer: replacer, store: true });
 
         try {
-            if(isArray(Iterator(this._localMarks).next()[1]))
+            if (isArray(Iterator(this._localMarks).next()[1]))
                 this._localMarks.clear();
         }
-        catch(e) {}
+        catch (e) {}
 
         this._pendingJumps = [];
     },
diff --git a/common/modules/base.jsm b/common/modules/base.jsm
index ab421f3f..09cd9391 100644
--- a/common/modules/base.jsm
+++ b/common/modules/base.jsm
@@ -98,10 +98,10 @@ function defineModule(name, params) {
     module.NAME = name;
     module.EXPORTED_SYMBOLS = params.exports || [];
     defineModule.loadLog.push("defineModule " + name);
-    for(let [, mod] in Iterator(params.require || []))
+    for (let [, mod] in Iterator(params.require || []))
         require(module, mod);
 
-    for(let [, mod] in Iterator(params.use || []))
+    for (let [, mod] in Iterator(params.use || []))
         if (loaded.hasOwnProperty(mod))
             require(module, mod, "use");
         else {
@@ -142,7 +142,7 @@ defineModule.time = function time(major, minor, func, self) {
 
 function endModule() {
     defineModule.loadLog.push("endModule " + currentModule.NAME);
-    for(let [, mod] in Iterator(use[currentModule.NAME] || []))
+    for (let [, mod] in Iterator(use[currentModule.NAME] || []))
         require(mod, currentModule.NAME, "use");
     loaded[currentModule.NAME] = 1;
 }
@@ -208,7 +208,7 @@ function debuggerProperties(obj) {
  * @returns {Generator}
  */
 function prototype(obj)
-    obj.__proto__ || Object.getPrototypeOf(obj) || 
+    obj.__proto__ || Object.getPrototypeOf(obj) ||
     XPCNativeWrapper.unwrap(obj).__proto__ ||
     Object.getPrototypeOf(XPCNativeWrapper.unwrap(obj));
 function properties(obj, prototypes, debugger_) {
@@ -1128,7 +1128,7 @@ const array = Class("array", Array, {
      */
     zip: function zip(ary1, ary2) {
         let res = [];
-        for(let [i, item] in Iterator(ary1))
+        for (let [i, item] in Iterator(ary1))
             res.push([item, i in ary2 ? ary2[i] : ""]);
         return res;
     }
diff --git a/common/modules/bookmarkcache.jsm b/common/modules/bookmarkcache.jsm
index c4586d53..b2f3d621 100644
--- a/common/modules/bookmarkcache.jsm
+++ b/common/modules/bookmarkcache.jsm
@@ -10,7 +10,6 @@ defineModule("bookmarkcache", {
     require: ["services", "storage", "util"]
 });
 
-
 const Bookmark = Struct("url", "title", "icon", "keyword", "tags", "id");
 const Keyword = Struct("keyword", "title", "icon", "url");
 Bookmark.defaultValue("icon", function () BookmarkCache.getFavicon(this.url));
diff --git a/common/modules/util.jsm b/common/modules/util.jsm
index 17918e85..65683447 100644
--- a/common/modules/util.jsm
+++ b/common/modules/util.jsm
@@ -27,7 +27,7 @@ const Util = Module("Util", {
     dactyl: {
         __noSuchMethod__: function (meth, args) {
             let win = util.activeWindow;
-            if(win && win.dactyl)
+            if (win && win.dactyl)
                 return win.dactyl[meth].apply(win.dactyl, args);
             return null;
         }