diff --git a/common/content/editor.js b/common/content/editor.js
index 210c43f0..63ec3eb6 100644
--- a/common/content/editor.js
+++ b/common/content/editor.js
@@ -455,7 +455,7 @@ var Editor = Module("editor", XPCOM(Ci.nsIEditActionListener, ModuleBase), {
             if (textBox) {
                 textBox.value = val;
 
-                if (false) {
+                if (true) {
                     let elem = DOM(textBox);
                     elem.attrNS(NS, "modifiable", true)
                         .style.MozUserInput;
diff --git a/common/modules/contexts.jsm b/common/modules/contexts.jsm
index 46819365..6d32fb83 100644
--- a/common/modules/contexts.jsm
+++ b/common/modules/contexts.jsm
@@ -222,7 +222,10 @@ var Contexts = Module("contexts", {
                 util.trapErrors("onUnload", self);
         }
         else {
-            self = args && !isArray(args) ? args : newContext.apply(null, args || [userContext]);
+            let params = Array.slice(args || [userContext]);
+            params[2] = params[2] || File(file).URI.spec;
+
+            self = args && !isArray(args) ? args : newContext.apply(null, params);
             update(self, {
                 NAME: Const(id),
 
diff --git a/common/modules/javascript.jsm b/common/modules/javascript.jsm
index 3cd1100d..f08c2d13 100644
--- a/common/modules/javascript.jsm
+++ b/common/modules/javascript.jsm
@@ -53,7 +53,7 @@ var JavaScript = Module("javascript", {
 
     lazyInit: true,
 
-    newContext: function () this.modules.newContext(this.modules.userContext, true),
+    newContext: function () this.modules.newContext(this.modules.userContext, true, "Dactyl JS Temp Context"),
 
     completers: Class.Memoize(function () Object.create(JavaScript.completers)),
 
@@ -765,10 +765,10 @@ var JavaScript = Module("javascript", {
                 let self = this;
                 let sandbox = true || isinstance(context, ["Sandbox"]);
 
-                this.context = modules.newContext(context, !sandbox);
+                this.context = modules.newContext(context, !sandbox, "Dactyl REPL Context");
                 this.js = modules.JavaScript();
                 this.js.replContext = this.context;
-                this.js.newContext = function newContext() modules.newContext(self.context, !sandbox);
+                this.js.newContext = function newContext() modules.newContext(self.context, !sandbox, "Dactyl REPL Temp Context");
 
                 this.js.globals = [
                    [this.context, /*L*/"REPL Variables"],
diff --git a/common/modules/main.jsm b/common/modules/main.jsm
index 2740b66d..27bcc609 100644
--- a/common/modules/main.jsm
+++ b/common/modules/main.jsm
@@ -28,6 +28,8 @@ var ModuleBase = Class("ModuleBase", {
     toString: function () "[module " + this.constructor.className + "]"
 });
 
+var _id = 0;
+
 var Modules = function Modules(window) {
     /**
      * @constructor Module
@@ -136,7 +138,7 @@ var Modules = function Modules(window) {
             }
         },
 
-        newContext: function newContext(proto, normal) {
+        newContext: function newContext(proto, normal, name) {
             if (normal)
                 return create(proto);
 
@@ -144,6 +146,7 @@ var Modules = function Modules(window) {
                 var sandbox = services.dactyl.createGlobal();
             else
                 sandbox = Components.utils.Sandbox(window, { sandboxPrototype: proto || modules,
+                                                             sandboxName: name || ("Dactyl Sandbox " + ++_id),
                                                              wantXrays: false });
 
             // Hack: