diff --git a/core/field.js b/core/field.js
index 7b0830004..229bfa727 100644
--- a/core/field.js
+++ b/core/field.js
@@ -127,28 +127,28 @@ Blockly.Field.prototype.maxDisplayLength = 50;
 /**
  * Visible text to display.
  * @type {string}
- * @private
+ * @protected
  */
 Blockly.Field.prototype.text_ = '';
 
 /**
  * Block this field is attached to.  Starts as null, then in set in init.
  * @type {Blockly.Block}
- * @private
+ * @protected
  */
 Blockly.Field.prototype.sourceBlock_ = null;
 
 /**
  * Is the field visible, or hidden due to the block being collapsed?
  * @type {boolean}
- * @private
+ * @protected
  */
 Blockly.Field.prototype.visible_ = true;
 
 /**
  * Validation function called when user edits an editable field.
  * @type {Function}
- * @private
+ * @protected
  */
 Blockly.Field.prototype.validator_ = null;
 
@@ -362,7 +362,7 @@ Blockly.Field.prototype.getSvgRoot = function() {
 /**
  * Draws the border with the correct width.
  * Saves the computed width in a property.
- * @private
+ * @protected
  */
 Blockly.Field.prototype.render_ = function() {
   if (!this.visible_) {
@@ -466,7 +466,7 @@ Blockly.Field.prototype.getSize = function() {
  * scaling.
  * @return {!Object} An object with top, bottom, left, and right in pixels
  *     relative to the top left corner of the page (window coordinates).
- * @private
+ * @protected
  */
 Blockly.Field.prototype.getScaledBBox_ = function() {
   var bBox = this.borderRect_.getBBox();
@@ -485,7 +485,7 @@ Blockly.Field.prototype.getScaledBBox_ = function() {
  * Get the text from this field as displayed on screen.  May differ from getText
  * due to ellipsis, and other formatting.
  * @return {string} Currently displayed text.
- * @private
+ * @protected
  */
 Blockly.Field.prototype.getDisplayText_ = function() {
   var text = this.text_;
@@ -582,7 +582,7 @@ Blockly.Field.prototype.setValue = function(newValue) {
 /**
  * Handle a mouse down event on a field.
  * @param {!Event} e Mouse down event.
- * @private
+ * @protected
  */
 Blockly.Field.prototype.onMouseDown_ = function(e) {
   if (!this.sourceBlock_ || !this.sourceBlock_.workspace) {
diff --git a/core/field_dropdown.js b/core/field_dropdown.js
index 8b69950a8..ff9aa6fb0 100644
--- a/core/field_dropdown.js
+++ b/core/field_dropdown.js
@@ -99,7 +99,7 @@ Blockly.FieldDropdown.prototype.CURSOR = 'default';
 /**
  * Language-neutral currently selected string or image object.
  * @type {string|!Object}
- * @private
+ * @protected
  */
 Blockly.FieldDropdown.prototype.value_ = '';
 
diff --git a/core/field_textinput.js b/core/field_textinput.js
index 4815ef54b..1f6daf975 100644
--- a/core/field_textinput.js
+++ b/core/field_textinput.js
@@ -77,7 +77,7 @@ Blockly.FieldTextInput.FONTSIZE = 11;
  * The HTML input element for the user to type, or null if no FieldTextInput
  * editor is currently open.
  * @type {HTMLInputElement}
- * @private
+ * @protected
  */
 Blockly.FieldTextInput.htmlInput_ = null;
 
@@ -152,7 +152,7 @@ Blockly.FieldTextInput.prototype.setSpellcheck = function(check) {
  * Show the inline free-text editor on top of the text.
  * @param {boolean=} opt_quietInput True if editor should be created without
  *     focus.  Defaults to false.
- * @private
+ * @protected
  */
 Blockly.FieldTextInput.prototype.showEditor_ = function(opt_quietInput) {
   this.workspace_ = this.sourceBlock_.workspace;
@@ -295,7 +295,7 @@ Blockly.FieldTextInput.prototype.onHtmlInputChange_ = function(_e) {
 /**
  * Check to see if the contents of the editor validates.
  * Style the editor accordingly.
- * @private
+ * @protected
  */
 Blockly.FieldTextInput.prototype.validate_ = function() {
   var valid = true;
@@ -315,7 +315,7 @@ Blockly.FieldTextInput.prototype.validate_ = function() {
 
 /**
  * Resize the editor and the underlying block to fit the text.
- * @private
+ * @protected
  */
 Blockly.FieldTextInput.prototype.resizeEditor_ = function() {
   var div = Blockly.WidgetDiv.DIV;