diff --git a/lib/bootstrap.js b/lib/bootstrap.js
index b6c0a954..1a08c7c0 100644
--- a/lib/bootstrap.js
+++ b/lib/bootstrap.js
@@ -147,11 +147,8 @@ var Base = new function() { // Bootstrap scope
 					// with optional arguments and as beans should not declare
 					// the parameters and use the arguments array internally
 					// instead.
-					if (beans && (bean = name.match(/^(get|is)(([A-Z])(.*))$/))
-							// Reg-exp to detect non-hidden parameters. We only
-							// produce beans if there are no parameters or only
-							// hidden ones:
-							&& !/^function\s*\(.*\b[^_,].*\)/.test(val))
+					if (beans && val.length === 0
+							&& (bean = name.match(/^(get|is)(([A-Z])(.*))$/)))
 						beans.push([ bean[3].toLowerCase() + bean[4], bean[2] ]);
 				}
 				// No need to look up getter if this is a function already.
diff --git a/src/basic/Point.js b/src/basic/Point.js
index f750f9d9..de3b5b1c 100644
--- a/src/basic/Point.js
+++ b/src/basic/Point.js
@@ -504,9 +504,9 @@ var Point = this.Point = Base.extend(/** @lends Point# */{
 	 * @bean
 	 * @type Number
 	 */
-	getAngle: function(_point) {
+	getAngle: function(/* point */) {
 		// Hide parameters from Bootstrap so it injects bean too
-		return this.getAngleInRadians(_point) * 180 / Math.PI;
+		return this.getAngleInRadians(arguments[0]) * 180 / Math.PI;
 	},
 
 	setAngle: function(angle) {
@@ -542,9 +542,9 @@ var Point = this.Point = Base.extend(/** @lends Point# */{
 	 * @bean
 	 * @type Number
 	 */
-	getAngleInRadians: function(_point) {
+	getAngleInRadians: function(/* point */) {
 		// Hide parameters from Bootstrap so it injects bean too
-		if (_point === undefined) {
+		if (arguments[0] === undefined) {
 			if (this._angle == null)
 				this._angle = Math.atan2(this.y, this.x);
 			return this._angle;
@@ -559,8 +559,8 @@ var Point = this.Point = Base.extend(/** @lends Point# */{
 		}
 	},
 
-	getAngleInDegrees: function(_point) {
-		return this.getAngle(_point);
+	getAngleInDegrees: function(/* point */) {
+		return this.getAngle(arguments[0]);
 	},
 
 	/**
diff --git a/src/basic/Rectangle.js b/src/basic/Rectangle.js
index 491e20ff..417dd174 100644
--- a/src/basic/Rectangle.js
+++ b/src/basic/Rectangle.js
@@ -167,10 +167,10 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
 	 * @type Point
 	 * @bean
 	 */
-	getPoint: function(_dontLink) {
+	getPoint: function(/* dontLink */) {
 		// Pass on the optional argument _dontLink which tells LinkedPoint to
 		// produce a normal point instead. Used internally for speed reasons.
-		return LinkedPoint.create(this, 'setPoint', this.x, this.y, _dontLink);
+		return LinkedPoint.create(this, 'setPoint', this.x, this.y, arguments[0]);
 	},
 
 	setPoint: function(point) {
@@ -187,9 +187,9 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
 	 * @type Size
 	 * @bean
 	 */
-	getSize: function(_dontLink) {
+	getSize: function(/* dontLink */) {
 		return LinkedSize.create(this, 'setSize', this.width, this.height,
-				_dontLink);
+				arguments[0]);
 	},
 
 	setSize: function(size) {
@@ -307,9 +307,9 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
 	 * @type Point
 	 * @bean
 	 */
-	getCenter: function(_dontLink) {
+	getCenter: function(/* dontLink */) {
 		return LinkedPoint.create(this, 'setCenter',
-				this.getCenterX(), this.getCenterY(), _dontLink);
+				this.getCenterX(), this.getCenterY(), arguments[0]);
 	},
 
 	setCenter: function(point) {
@@ -725,9 +725,9 @@ var Rectangle = this.Rectangle = Base.extend(/** @lends Rectangle# */{
 				setY = 'set' + y,
 				get = 'get' + part,
 				set = 'set' + part;
-			this[get] = function(_dontLink) {
+			this[get] = function(/* dontLink */) {
 				return LinkedPoint.create(this, set,
-						this[getX](), this[getY](), _dontLink);
+						this[getX](), this[getY](), arguments[0]);
 			};
 			this[set] = function(point) {
 				point = Point.read(arguments);
diff --git a/src/item/Item.js b/src/item/Item.js
index f77ab2bb..273db523 100644
--- a/src/item/Item.js
+++ b/src/item/Item.js
@@ -512,7 +512,7 @@ var Item = this.Item = Base.extend(Callback, /** @lends Item# */{
 	 * // Move the circle 100 points to the right
 	 * circle.position.x += 100;
 	 */
-	getPosition: function(_dontLink) {
+	getPosition: function(/* dontLink */) {
 		// Cache position value.
 		// Pass true for dontLink in getCenter(), so receive back a normal point
 		var pos = this._position
@@ -521,7 +521,7 @@ var Item = this.Item = Base.extend(Callback, /** @lends Item# */{
 		// use them to calculate the difference in #setPosition, as when it is
 		// modified, it would hold new values already and only then cause the
 		// calling of #setPosition.
-		return _dontLink ? pos
+		return arguments[0] ? pos
 				: LinkedPoint.create(this, 'setPosition', pos.x, pos.y);
 	},
 
@@ -565,13 +565,13 @@ var Item = this.Item = Base.extend(Callback, /** @lends Item# */{
 		// Produce getters for bounds properties. These handle caching, matrices
 		// and redirect the call to the private _getBounds, which can be
 		// overridden by subclasses, see below.
-		this[name] = function(_matrix) {
+		this[name] = function(/* matrix */) {
 			var getter = this._boundsGetter,
 				// Allow subclasses to override _boundsGetter if they use
 				// the same calculations for multiple type of bounds.
 				// The default is name:
 				bounds = this._getCachedBounds(typeof getter == 'string'
-						? getter : getter && getter[name] || name, _matrix);
+						? getter : getter && getter[name] || name, arguments[0]);
 			// If we're returning 'bounds', create a LinkedRectangle that uses
 			// the setBounds() setter to update the Item whenever the bounds are
 			// changed:
diff --git a/src/item/Raster.js b/src/item/Raster.js
index 327d68e9..1f8b7398 100644
--- a/src/item/Raster.js
+++ b/src/item/Raster.js
@@ -154,13 +154,13 @@ var Raster = this.Raster = PlacedItem.extend(/** @lends Raster# */{
 	 * @type Context
 	 * @bean
 	 */
-	getContext: function(_notifyChange) {
+	getContext: function(/* notifyChange */) {
 		if (!this._context)
 			this._context = this.getCanvas().getContext('2d');
 		// Support a hidden parameter that indicates if the context will be used
 		// to modify the Raster object. We can notify such changes ahead since
 		// they are only used afterwards for redrawing.
-		if (_notifyChange)
+		if (arguments[0])
 			this._changed(/*#=*/ Change.PIXELS);
 		return this._context;
 	},
diff --git a/src/path/Curve.js b/src/path/Curve.js
index 762c959e..29ea4b66 100644
--- a/src/path/Curve.js
+++ b/src/path/Curve.js
@@ -235,11 +235,13 @@ var Curve = this.Curve = Base.extend(/** @lends Curve# */{
 	 * @bean
 	 */
 	 // Hide parameters from Bootstrap so it injects bean too
-	getLength: function(_from, _to) {
-		var fullLength = arguments.length == 0 || _from == 0 && _to == 1;
+	getLength: function(/* from, to */) {
+		var from = arguments[0],
+			to = arguments[1],
+			fullLength = arguments.length == 0 || from == 0 && to == 1;
 		if (fullLength && this._length != null)
 			return this._length;
-		var length = Curve.getLength(this.getValues(), _from, _to);
+		var length = Curve.getLength(this.getValues(), from, to);
 		if (fullLength)
 			this._length = length;
 		return length;
diff --git a/src/path/Path.js b/src/path/Path.js
index e7050b77..6035c1a8 100644
--- a/src/path/Path.js
+++ b/src/path/Path.js
@@ -131,7 +131,7 @@ var Path = this.Path = PathItem.extend(/** @lends Path# */{
 	 * @type Curve[]
 	 * @bean
 	 */
-	getCurves: function(_includeFill) {
+	getCurves: function(/* includeFill */) {
 		var curves = this._curves,
 			segments = this._segments;
 		if (!curves) {
@@ -148,7 +148,7 @@ var Path = this.Path = PathItem.extend(/** @lends Path# */{
 		// If we're asked to include the closing curve for fill, even if the
 		// path is not closed for stroke, create a new uncached array and add
 		// the closing curve. Used in Path#contains()
-		if (_includeFill && !this._closed && this._style._fillColor) {
+		if (arguments[0] && !this._closed && this._style._fillColor) {
 			curves = curves.concat([
 				Curve.create(this, segments[segments.length - 1], segments[0])
 			]);