diff --git a/core/core_27_editor.js b/core/core_27_editor.js
index a983221f..4a5be72a 100644
--- a/core/core_27_editor.js
+++ b/core/core_27_editor.js
@@ -74,7 +74,7 @@ $.hosts.code['/objectPanel'].buildData = function buildData(query) {
           for (var i = 0; i < ownProps.length; i++) {
             var prop = ownProps[i];
             var type = this.getType(value[prop]);
-            ownProps[i] = {name: prop, type: type};
+            ownProps[i] = { name: prop, type: type };
           }
           data.properties.push(ownProps);
           value = Object.getPrototypeOf(value);
@@ -94,7 +94,7 @@ $.hosts.code['/objectPanel'].buildData = function buildData(query) {
     // Add typeof information.
     var global = $.utils.code.getGlobal();
     for (var name in global) {
-      data.roots.push({name: name, type: this.getType(global[name])});
+      data.roots.push({ name: name, type: this.getType(global[name]) });
     }
   }
   return data;
@@ -119,7 +119,7 @@ $.hosts.code['/editorXhr'].www = function code_editorXhr_www(request, response)
    *   only present if save was requested
    * - login: boolean indicating if the user is logged in
    */
-  var data = {login: !!request.user};
+  var data = { login: !!request.user };
   try {  // ends with ... finally {response.write(JSON.stringify(data));}
     if (!request.fromSameOrigin()) {
       // Security check to ensure this is being loaded by the code editor.
@@ -141,7 +141,7 @@ $.hosts.code['/editorXhr'].www = function code_editorXhr_www(request, response)
       // Global variable; no parent object.
       object = null;
     } else if (request.parameters.key &&
-               (object = $.db.tempId.getObjById(request.parameters.key))) {
+      (object = $.db.tempId.getObjById(request.parameters.key))) {
       // Successfully retrieved parent object from tempID DB.
     } else {
       // Get parent object via selector.
@@ -370,7 +370,7 @@ $.hosts.code['/editorXhr'].generateMetaData = function generateMetaData(value, s
     for (var i = 0, prop; (prop = props[i]); i++) {
       try {
         meta += '// ' + (value[prop] ? '@set_prop ' + prop + ' = ' +
-            JSON.stringify(value[prop]) : '@delete_prop ' + prop) + '\n';
+          JSON.stringify(value[prop]) : '@delete_prop ' + prop) + '\n';
       } catch (e) {
         // Unstringable value, or read perms error.  Skip.
       }
diff --git a/static/connect/common.js b/static/connect/common.js
index ff128d1d..684a35f1 100644
--- a/static/connect/common.js
+++ b/static/connect/common.js
@@ -243,10 +243,13 @@ CCC.Common.parentFocus = function(e) {
     var ct = parent.document.getElementById('commandTextarea');
     ct.focus();
     // Chrome won't type the character in the textarea after a focus change.
-    // For the easy case where the field is empty, just add the character.
-    // TODO: Handle cases where the field is not empty.
-    if (e && e.key.length === 1 && !ct.value.length) {
-      ct.value = e.key;
+    // Insert the character at the cursor, replacing any selected text.
+    if (e && e.key.length === 1) {
+      var start = ct.selectionStart;
+      var end = ct.selectionEnd;
+      ct.value = ct.value.substring(0, start) + e.key +
+          ct.value.substring(end);
+      ct.selectionStart = ct.selectionEnd = start + e.key.length;
       // Firefox will type the character a second time, prevent this.
       e.preventDefault();
     }
diff --git a/static/connect/tests/test.js b/static/connect/tests/test.js
index a965d68f..33b4cb53 100644
--- a/static/connect/tests/test.js
+++ b/static/connect/tests/test.js
@@ -18,6 +18,31 @@ function testCommonEscapeSpaces() {
   assertEquals('\u00A0a\u00A0 \u00A0 \u00A0 \u00A0 b', CCC.Common.escapeSpaces(' a\tb'));
 }
 
+function testCommonParentFocus() {
+  var textarea = document.createElement('textarea');
+  textarea.id = 'commandTextarea';
+  document.body.appendChild(textarea);
+  try {
+    var event = {key: 'x', preventDefault: function() {}};
+    CCC.Common.parentFocus(event);
+    assertEquals('x', textarea.value);
+    assertEquals(1, textarea.selectionStart);
+
+    textarea.value = 'look north';
+    textarea.setSelectionRange(5, 5);
+    CCC.Common.parentFocus(event);
+    assertEquals('look xnorth', textarea.value);
+    assertEquals(6, textarea.selectionStart);
+
+    textarea.setSelectionRange(5, 10);
+    CCC.Common.parentFocus(event);
+    assertEquals('look x', textarea.value);
+    assertEquals(6, textarea.selectionStart);
+  } finally {
+    document.body.removeChild(textarea);
+  }
+}
+
 // log.js
 
 function testLogGetTemplate() {