[muttator] has "f" as default 'guioptions', should change to fmT?

content/liberator.js

@@ -38,7 +38,7 @@ const liberator = (function () //{{{
     {
         liberator.options.add(["guioptions", "go"],
             "Show or hide certain GUI elements like the menu or toolbar",
-            "charlist", "",
+            "charlist", liberator.config.defaults.guioptions || "",
             {
                 setter: function (value)
                 {

content/muttator.js

@@ -33,6 +33,7 @@ liberator.config = {
 
     /*** optional options, there are checked for existance and a fallback provided  ***/
     features: ["hints", "mail", "marks", "addressbook", "tabs"],
+    defaults: { guioptions: "f" },
     guioptions: { m: ["mail-toolbar-menubar2"], T: ["mail-bar2"], f: ["folderPaneBox", "folderpane_splitter"], F: ["folderPaneHeader"] },
 
     get browserModes() { return [liberator.modes.MESSAGE]; },

content/vimperator.js

@@ -33,6 +33,7 @@ liberator.config = { //{{{
 
     /*** optional options, there are checked for existance and a fallback provided  ***/
     features: ["bookmarks", "hints", "history", "marks", "quickmarks", "session", "tabs", "windows"],
+    defaults: { guioptions: "" },
     guioptions: { m: ["toolbar-menubar"], T: ["nav-bar"], b: ["PersonalToolbar"] },
 
     autocommands: [["PageLoad",     "Triggered when a page gets (re)loaded/opened"],