diff --git a/common/content/options.js b/common/content/options.js
index 7e630acc..a8cda0a1 100644
--- a/common/content/options.js
+++ b/common/content/options.js
@@ -1006,13 +1006,19 @@ var Options = Module("options", {
             }
 
             let option = opt.option;
-            context.advance(context.filter.indexOf("=") + 1);
-
             if (!option) {
                 context.message = "No such option: " + opt.name;
-                context.highlight(0, name.length, "SPELLCHECK");
+                context.highlight(0, opt.name.length, "SPELLCHECK");
             }
 
+            context.advance(context.filter.indexOf("="));
+            if (option.type == "boolean") {
+                context.message = "Trailing characters";
+                context.highlight(0, context.filter.length, "SPELLCHECK");
+                return;
+            }
+
+            context.advance(1);
             if (opt.get || opt.reset || !option || prefix)
                 return null;
 
@@ -1230,9 +1236,7 @@ var Options = Module("options", {
             let extra = {};
             switch (opt.type) {
             case "boolean":
-                if (!completer)
-                    completer = function () [["true", ""], ["false", ""]];
-                break;
+                return;
             case "regexplist":
                 newValues = Option.splitList(context.filter);
                 // Fallthrough
diff --git a/common/modules/base.jsm b/common/modules/base.jsm
index d8c02c1e..f4bf503a 100644
--- a/common/modules/base.jsm
+++ b/common/modules/base.jsm
@@ -160,7 +160,7 @@ function defineModule(name, params) {
 defineModule.loadLog = [];
 Object.defineProperty(defineModule.loadLog, "push", {
     value: function (val) {
-        if (false)
+        if (true)
             defineModule.dump(val + "\n");
         this[this.length] = Date.now() + " " + val;
     }
diff --git a/pentadactyl/NEWS b/pentadactyl/NEWS
index 8afbcf66..50059e6e 100644
--- a/pentadactyl/NEWS
+++ b/pentadactyl/NEWS
@@ -1,4 +1,4 @@
-1.0b4.2:
+1.0b5pre:
     * Extensive Firefox 4 support, including:
       - Fully restartless. Can now be installed, uninstalled,
         enabled, disabled, and upgraded without restarting Firefox.
diff --git a/pentadactyl/install.rdf b/pentadactyl/install.rdf
index eddd22cd..a03a3837 100644
--- a/pentadactyl/install.rdf
+++ b/pentadactyl/install.rdf
@@ -4,7 +4,7 @@
     <Description about="urn:mozilla:install-manifest"
         em:id="pentadactyl@dactyl.googlecode.com"
         em:name="Pentadactyl"
-        em:version="1.0b4.2"
+        em:version="1.0b5pre"
         em:description="Firefox for Vim and Links addicts"
         em:homepageURL="http://dactyl.sourceforge.net/pentadactyl"
         em:iconURL="chrome://pentadactyl/skin/icon.png"