diff --git a/common/content/bookmarks.js b/common/content/bookmarks.js
old mode 100644
new mode 100755
index 56a2d46a..237fbb23
--- a/common/content/bookmarks.js
+++ b/common/content/bookmarks.js
@@ -970,7 +970,7 @@ function History() //{{{
 
     completion.history = function _history(context, maxItems) {
         context.format = history.format;
-        context.title = ["History"]
+        context.title = ["History"];
         context.compare = CompletionContext.Sort.unsorted;
         //context.background = true;
         if (context.maxItems == null)
@@ -1027,7 +1027,7 @@ function History() //{{{
             let sh = window.getWebNavigation().sessionHistory;
             let obj = [];
             obj.index = sh.index;
-            obj.__iterator__ = function() util.Array.iteritems(this)
+            obj.__iterator__ = function () util.Array.iteritems(this);
             for (let i in util.range(0, sh.count))
             {
                 obj[i] = { index: i, __proto__: sh.getEntryAtIndex(i, false) };
diff --git a/common/content/browser.js b/common/content/browser.js
old mode 100644
new mode 100755
index 70202978..06931ea5
--- a/common/content/browser.js
+++ b/common/content/browser.js
@@ -71,7 +71,7 @@ function Browser() //{{{
                 // Stolen from browser.jar/content/browser/browser.js, more or less.
                 try
                 {
-                    var docCharset = getBrowser().docShell.QueryInterface(Ci.nsIDocCharset).charset = val
+                    var docCharset = getBrowser().docShell.QueryInterface(Ci.nsIDocCharset).charset = val;
                     PlacesUtils.history.setCharsetForURI(getWebNavigation().currentURI, val);
                     getWebNavigation().reload(Ci.nsIWebNavigation.LOAD_FLAGS_CHARSET_CHANGE);
                 }
@@ -95,19 +95,24 @@ function Browser() //{{{
         let services = modules.services; // Storage objects are global to all windows, 'modules' isn't.
         storage.newObject("private-mode", function () {
             ({
-                init: function () {
+                init: function ()
+                {
                     services.get("observer").addObserver(this, "private-browsing", false);
                     services.get("observer").addObserver(this, "quit-application", false);
                     this.private = services.get("privateBrowsing").privateBrowsingEnabled;
                 },
-                observe: function (subject, topic, data) {
-                    if (topic == "private-browsing") {
+                observe: function (subject, topic, data)
+                {
+                    if (topic == "private-browsing")
+                    {
                         if (data == "enter")
                             storage.privateMode = true;
                         else if (data == "exit")
                             storage.privateMode = false;
                         storage.fireEvent("private-mode", "change", storage.privateMode);
-                    } else if (topic == "quit-application") {
+                    }
+                    else if (topic == "quit-application")
+                    {
                         services.get("observer").removeObserver(this, "quit-application");
                         services.get("observer").removeObserver(this, "private-browsing");
                     }
diff --git a/common/content/commands.js b/common/content/commands.js
old mode 100644
new mode 100755
index a7bd70d1..0e4f83b4
--- a/common/content/commands.js
+++ b/common/content/commands.js
@@ -1171,7 +1171,7 @@ function Commands() //{{{
             // then get completions of the command name
             let [count, cmd, bang, args] = commands.parseCommand(context.filter);
             let [, prefix, junk] = context.filter.match(/^(:*\d*)\w*(.?)/) || [];
-            context.advance(prefix.length)
+            context.advance(prefix.length);
             if (!junk)
                 return context.fork("", 0, this, "command");
 
diff --git a/common/content/completion.js b/common/content/completion.js
old mode 100644
new mode 100755
index 5ad4f13f..5c3e237f
--- a/common/content/completion.js
+++ b/common/content/completion.js
@@ -128,7 +128,7 @@ function CompletionContext(editor, name, offset) //{{{
                 return this.filters.
                     reduce(function (res, filter) res.filter(function (item) filter.call(self, item)),
                             items);
-        }
+        };
         /**
          * @property {Array} An array of predicates on which to filter the
          *     results.
@@ -256,12 +256,12 @@ CompletionContext.prototype = {
                 let prefix = self.value.substring(minStart, context.offset);
                 return context.items.map(function makeItem(item) ({ text: prefix + item.text, item: item.item }));
             });
-            return { start: minStart, items: util.Array.flatten(items), longestSubstring: this.longestAllSubstring }
+            return { start: minStart, items: util.Array.flatten(items), longestSubstring: this.longestAllSubstring };
         }
         catch (e)
         {
             liberator.reportError(e);
-            return { start: 0, items: [], longestAllSubstring: "" }
+            return { start: 0, items: [], longestAllSubstring: "" };
         }
     },
     // Temporary
@@ -306,7 +306,7 @@ CompletionContext.prototype = {
         this._completions = items;
         let self = this;
         if (this.updateAsync && !this.noUpdate)
-            liberator.callInMainThread(function () { self.onUpdate.call(self) });
+            liberator.callInMainThread(function () { self.onUpdate.call(self); });
     },
 
     get createRow() this._createRow || template.completionRow, // XXX
@@ -319,7 +319,7 @@ CompletionContext.prototype = {
     set filter(val)
     {
         delete this._ignoreCase;
-        return this._filter = val
+        return this._filter = val;
     },
 
     get format() ({
@@ -347,7 +347,7 @@ CompletionContext.prototype = {
             let [k, v] = i;
             let _k = "_" + k;
             if (typeof v == "string" && /^[.[]/.test(v))
-                v = eval("(function (i) i" + v + ")")
+                v = eval("(function (i) i" + v + ")");
             if (typeof v == "function")
                 res.__defineGetter__(k, function () _k in this ? this[_k] : (this[_k] = v(this.item)));
             else
@@ -358,7 +358,7 @@ CompletionContext.prototype = {
     },
 
     get regenerate() this._generate && (!this.completions || !this.itemCache[this.key] || this.cache.offset != this.offset),
-    set regenerate(val) { if (val) delete this.itemCache[this.key] },
+    set regenerate(val) { if (val) delete this.itemCache[this.key]; },
 
     get generate() !this._generate ? null : function ()
     {
@@ -438,7 +438,7 @@ CompletionContext.prototype = {
             filtered.forEach(function (item) {
                 item.unquoted = item.text;
                 item.text = quote[0] + quote[1](item.text) + quote[2];
-            })
+            });
         return this.cache.filtered = filtered;
     },
 
@@ -573,7 +573,7 @@ CompletionContext.prototype = {
     fork: function fork(name, offset, self, completer)
     {
         if (typeof completer == "string")
-            completer = self[completer]
+            completer = self[completer];
         let context = new CompletionContext(this, name, offset);
         this.contextList.push(context);
         if (completer)
@@ -762,7 +762,7 @@ function Completion() //{{{
             }
             catch (e) {}
             return iterator;
-        }
+        };
 
         // Search the object for strings starting with @key.
         // If @last is defined, key is a quoted string, it's
@@ -812,7 +812,7 @@ function Completion() //{{{
             });
 
             return compl;
-        }
+        };
 
         this.eval = function eval(arg, key, tmp)
         {
@@ -837,7 +837,7 @@ function Completion() //{{{
             {
                 delete context[EVAL_TMP];
             }
-        }
+        };
 
         // Get an element from the stack. If @n is negative,
         // count from the top of the stack, otherwise, the bottom.
@@ -851,7 +851,7 @@ function Completion() //{{{
             if (m == null)
                 return a;
             return a[a.length - m - 1];
-        }
+        };
 
         function buildStack(filter)
         {
@@ -862,7 +862,7 @@ function Completion() //{{{
                 top = [i, arg, [i], [], [], [], []];
                 last = top[CHAR];
                 stack.push(top);
-            }
+            };
             let pop = function pop(arg)
             {
                 if (top[CHAR] != arg)
@@ -882,7 +882,7 @@ function Completion() //{{{
                 last = top[CHAR];
                 let ret = stack.pop();
                 return ret;
-            }
+            };
 
             let i = 0, c = "";     // Current index and character, respectively.
 
@@ -1056,7 +1056,7 @@ function Completion() //{{{
                     prev = dot + 1;
                     obj = self.eval(s, cacheKey, obj);
                 }
-                return [[obj, cacheKey]]
+                return [[obj, cacheKey]];
             }
 
             function getObjKey(frame)
@@ -1113,13 +1113,13 @@ function Completion() //{{{
                             if (!isnan(a.item.key) && !isnan(b.item.key))
                                 return a.item.key - b.item.key;
                             return isnan(b.item.key) - isnan(a.item.key) || compare(a, b);
-                        }
+                        };
                         if (!context.anchored) // We've already listed anchored matches, so don't list them again here.
                             context.filters.push(function (item) util.compareIgnoreCase(item.text.substr(0, this.filter.length), this.filter));
                         if (obj == cache.evalContext)
                             context.regenerate = true;
                         context.generate = function () self.objectKeys(obj);
-                    }
+                    };
                 }
                 // TODO: Make this a generic completion helper function.
                 let filter = key + (string || "");
@@ -1226,7 +1226,7 @@ function Completion() //{{{
                         let res = completer.call(self, context, func, obj, args);
                         if (res)
                             context.completions = res;
-                    }
+                    };
 
                     obj[0][1] += "." + func + "(... [" + args.length + "]";
                     return complete.call(this, obj, key, compl, string, last);
@@ -1346,7 +1346,7 @@ function Completion() //{{{
             let numLocationCompletions = 0; // how many async completions did we already return to the caller?
             let start = 0;
             let skip = 0;
-            
+
             if (options["urlseparator"])
                 skip = context.filter.match("^.*" + options["urlseparator"]); // start after the last 'urlseparator'
 
@@ -1372,7 +1372,7 @@ function Completion() //{{{
         urls: function (context, tags)
         {
             let compare = String.localeCompare;
-            let contains = String.indexOf
+            let contains = String.indexOf;
             if (context.ignoreCase)
             {
                 compare = util.compareIgnoreCase;
diff --git a/common/content/events.js b/common/content/events.js
old mode 100644
new mode 100755
index 3d96a76b..2785d0fc
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -97,7 +97,7 @@ function AutoCommands() //{{{
                 if (args.bang)
                     autocommands.remove(event, regex);
                 if (args["-javascript"])
-                    cmd = eval("(function(args) { with(args) {" + cmd + "} })");
+                    cmd = eval("(function (args) { with(args) {" + cmd + "} })");
                 autocommands.add(events, regex, cmd);
             }
             else
@@ -351,7 +351,7 @@ function Events() //{{{
         pendingMotionMap: null,    // e.g. "d{motion}" if we wait for a motion of the "d" command
         pendingArgMap: null,       // pending map storage for commands like m{a-z}
         count: -1                  // parsed count from the input buffer
-    }
+    };
 
     var fullscreen = window.fullScreen;
 
@@ -471,9 +471,9 @@ function Events() //{{{
                           .replace(/^NUMPAD/, "k")];
             if (k in keyTable)
                 names = keyTable[k];
-            code_key[v] = names[0]
+            code_key[v] = names[0];
             for (let [,name] in Iterator(names))
-                key_code[name.toLowerCase()] = v
+                key_code[name.toLowerCase()] = v;
         }
 
     // HACK: as Gecko does not include an event for <, we must add this in manually.
@@ -1013,7 +1013,7 @@ function Events() //{{{
          */
         fromString: function (input)
         {
-            let out = []
+            let out = [];
 
             let re = RegExp("<.*?>?>|[^<]|<(?!.*>)", "g");
             let match;
@@ -1042,7 +1042,7 @@ function Events() //{{{
                         {
                             if (evt_obj.shiftKey)
                             {
-                                keyname = keyname.toUpperCase()
+                                keyname = keyname.toUpperCase();
                                 if (keyname == keyname.toLowerCase())
                                     evt_obj.liberatorShift = true;
                             }
@@ -1062,7 +1062,7 @@ function Events() //{{{
                         }
                         else // spaces, control characters, and <
                         {
-                            evt_obj.keyCode = key_code[keyname]
+                            evt_obj.keyCode = key_code[keyname];
                             evt_obj.charCode = 0;
                         }
                     }
@@ -1079,7 +1079,7 @@ function Events() //{{{
                 if (evt_obj.keyCode == 32 || evt_obj.charCode == 32)
                     evt_obj.charCode = evt_obj.keyCode = 32; // <Space>
                 if (evt_obj.keyCode == 60 || evt_obj.charCode == 60)
-                    evt_obj.charCode = evt_obj.keyCode = 60 // <lt>
+                    evt_obj.charCode = evt_obj.keyCode = 60; // <lt>
 
                 out.push(evt_obj);
             }
@@ -1321,7 +1321,7 @@ function Events() //{{{
                 if (config.focusChange)
                     return void config.focusChange(win);
 
-                urlbar = document.getElementById("urlbar");
+                let urlbar = document.getElementById("urlbar");
                 if (elem == null && urlbar && urlbar.inputField == lastFocus)
                     liberator.threadYield(true);
 
diff --git a/common/content/hints.js b/common/content/hints.js
old mode 100644
new mode 100755
index 1de5f65e..ed3f1493
--- a/common/content/hints.js
+++ b/common/content/hints.js
@@ -818,7 +818,7 @@ function Hints() //{{{
                 ["contains",       "The typed characters are split on whitespace. The resulting groups must all appear in the hint."],
                 ["wordstartswith", "The typed characters are split on whitespace. The resulting groups must all match the beginings of words, in order."],
                 ["firstletters",   "Behaves like wordstartswith, but all groups much match a sequence of words."],
-                ["custom",         "Delegate to a custom function: liberator.plugins.customHintMatcher(hintString)"],
+                ["custom",         "Delegate to a custom function: liberator.plugins.customHintMatcher(hintString)"]
             ],
             validator: Option.validateCompleter
         });
diff --git a/common/content/io.js b/common/content/io.js
old mode 100644
new mode 100755
index 815c15db..94645256
--- a/common/content/io.js
+++ b/common/content/io.js
@@ -478,7 +478,7 @@ function IO() //{{{
                 }
 
                 return util.Array.flatten(commands);
-            }
+            };
         };
 
         completion.addUrlCompleter("f", "Local files", completion.file);
diff --git a/common/content/liberator.js b/common/content/liberator.js
old mode 100644
new mode 100755
index 8c162242..83e73895
--- a/common/content/liberator.js
+++ b/common/content/liberator.js
@@ -489,7 +489,7 @@ const liberator = (function () //{{{
                     bang: true,
                     completer: function (context)
                     {
-                        completion.extension(context)
+                        completion.extension(context);
                         if (command.filter)
                             context.filters.push(command.filter);
                     },
@@ -852,7 +852,7 @@ const liberator = (function () //{{{
                             function (elem) [elem.textContent, file]);
                 });
                 return util.Array.flatten(res);
-            }
+            };
         };
 
         completion.menuItem = function menuItem(context) {
@@ -866,7 +866,7 @@ const liberator = (function () //{{{
             context.title = ["Toolbar"];
             context.keys = { text: function (item) item.getAttribute("toolbarname"), description: function () "" };
             context.completions = buffer.evaluateXPath("./*[@toolbarname]", document, toolbox);
-        }
+        };
     });
 
     /////////////////////////////////////////////////////////////////////////////}}}
@@ -913,7 +913,7 @@ const liberator = (function () //{{{
             }
 
             //const Extension = new Struct("id", "name", "description", "icon", "enabled", "version");
-            return extensions.map(function(e) ({
+            return extensions.map(function (e) ({
                 id: e.id,
                 name: e.name,
                 description: getRdfProperty(e, "description"),
diff --git a/common/content/mappings.js b/common/content/mappings.js
old mode 100644
new mode 100755
index d5e46f19..a29ee581
--- a/common/content/mappings.js
+++ b/common/content/mappings.js
@@ -266,7 +266,7 @@ function Mappings() //{{{
                         }
                         for (map in mappingsIterator(modes, user))
                         if (map.rhs && map.noremap == noremap)
-                    ]
+                    ];
                 }
         };
 
diff --git a/common/content/modes.js b/common/content/modes.js
old mode 100644
new mode 100755
index ed3798d9..51caaf65
--- a/common/content/modes.js
+++ b/common/content/modes.js
@@ -259,7 +259,7 @@ const modes = (function () //{{{
         set main(value) { this.set(value); },
 
         get extended() extended,
-        set extended(value) { this.set(null, value) }
+        set extended(value) { this.set(null, value); }
 
     };
 
diff --git a/common/content/options.js b/common/content/options.js
old mode 100644
new mode 100755
index d38c0509..99851dd4
--- a/common/content/options.js
+++ b/common/content/options.js
@@ -762,7 +762,7 @@ function Options() //{{{
                             return <tr>
                                         <td style="width: 200px;">{i}</td>
                                         <td>{prefix}{value}</td>
-                                   </tr>
+                                   </tr>;
                         })
                     }
                     </table>;
diff --git a/common/content/style.js b/common/content/style.js
old mode 100644
new mode 100755
index b6afc8b7..11512a68
--- a/common/content/style.js
+++ b/common/content/style.js
@@ -306,7 +306,7 @@ function Styles(name, store)
             {
                 this.registerSheet(cssUri(wrapCSS(sheet)));
                 if (sheet.agent)
-                    this.registerAgentSheet(cssUri(wrapCSS(sheet)))
+                    this.registerAgentSheet(cssUri(wrapCSS(sheet)));
             }
             catch (e)
             {
@@ -335,7 +335,7 @@ function Styles(name, store)
         let names = system ? systemNames : userNames;
         if (typeof sheet === "number")
             return sheets[sheet];
-        return names[sheet]
+        return names[sheet];
     };
 
     /**
diff --git a/common/content/ui.js b/common/content/ui.js
old mode 100644
new mode 100755
index 02b1db3d..bf3e08df
--- a/common/content/ui.js
+++ b/common/content/ui.js
@@ -363,7 +363,7 @@ function CommandLine() //{{{
             {
                 case this.UP:
                     if (this.selected == null)
-                        idx = -2
+                        idx = -2;
                     else
                         idx = this.selected - 1;
                     break;
@@ -2126,7 +2126,7 @@ function StatusLine() //{{{
                     value = value.replace(/[\u200e\u200f\u202a\u202b\u202c\u202d\u202e]/g,
                         encodeURIComponent);
                     return value;
-                }
+                };
 
             if (url == null)
                 // TODO: this probably needs a more general solution.
diff --git a/common/content/util.js b/common/content/util.js
old mode 100644
new mode 100755
index 867a3123..8f2024ca
--- a/common/content/util.js
+++ b/common/content/util.js
@@ -524,7 +524,7 @@ const util = { //{{{
 
                 value = template.highlight(value, true, 150);
                 // FIXME: Inline style.
-                key = <span style="font-weight: bold;">{i}</span>;
+                let key = <span style="font-weight: bold;">{i}</span>;
                 if (!isNaN(i))
                     i = parseInt(i);
                 else if (/^[A-Z_]+$/.test(i))
@@ -649,7 +649,7 @@ const util = { //{{{
         if (options["urlseparator"])
             urls = util.splitLiteral(str, RegExp("\\s*" + options["urlseparator"] + "\\s*"));
         else
-            urls = [str]
+            urls = [str];
 
         return urls.map(function (url) {
             try
@@ -741,8 +741,8 @@ util.Array = function Array_(ary) {
                 return util.Array(res);
             return res;
         },
-        concat: function() [].concat.apply(this.__proto__, arguments),
-        map: function() this.__noSuchMethod__("map", Array.slice(arguments)),
+        concat: function () [].concat.apply(this.__proto__, arguments),
+        map: function () this.__noSuchMethod__("map", Array.slice(arguments)),
     };
     return obj;
 }
diff --git a/muttator/content/mail.js b/muttator/content/mail.js
old mode 100644
new mode 100755
index b48af15a..c510a43d
--- a/muttator/content/mail.js
+++ b/muttator/content/mail.js
@@ -251,7 +251,7 @@ function Mail() //{{{
         function ()
         {
             if (gDBView && gDBView.selection.count < 1)
-                return liberator.beep();
+                return void liberator.beep();
 
             MsgOpenNewTabForMessage();
         });
@@ -558,7 +558,7 @@ function Mail() //{{{
         function (arg)
         {
             if (!GetSelectedMessages())
-                return liberator.beep();
+                return void liberator.beep();
 
             switch (arg)
             {
@@ -664,7 +664,7 @@ function Mail() //{{{
         "Select a folder",
         function (args)
         {
-            let count = Math.max(0, args.count - 1)
+            let count = Math.max(0, args.count - 1);
             let arg = args.literalArg || "Inbox";
 
             let folder = mail.getFolders(arg, true, true)[count];
diff --git a/xulmus/content/player.js b/xulmus/content/player.js
old mode 100644
new mode 100755
index 1a184fd8..896a3759
--- a/xulmus/content/player.js
+++ b/xulmus/content/player.js
@@ -193,7 +193,7 @@ function Player() // {{{
             mappings.add([modes.PLAYER],
                  ["<C-" + rating + ">"], "Rate the current media item " + rating,
                  function () { player.rateMediaItem(rating); });
-        }
+        };
     }
 
     ////////////////// ///////////////////////////////////////////////////////////}}}
@@ -306,9 +306,9 @@ function Player() // {{{
             }
 
             if (/^[-+]/.test(arg))
-                arg[0] == "-" ? player.seekBackward(value) : player.seekForward(value)
+                arg[0] == "-" ? player.seekBackward(value) : player.seekForward(value);
             else
-                player.seekTo(value)
+                player.seekTo(value);
 
         },
         { argCount: "1" });