diff --git a/object.js b/object.js
index 7eac49a..554e055 100755
--- a/object.js
+++ b/object.js
@@ -292,6 +292,7 @@ function(obj){
 			throw new Error(`create(..): invalid name: "${name}"`) } }
 	// calable...
 	if(typeof(obj) == 'function'){
+        /* c8 ignore next 9 */
 		var func = function(){
 			return '__call__' in func ?
 					func.__call__(this, ...arguments)
@@ -710,9 +711,12 @@ function(func){
 				: '__call__' in this ?
 					this.__call__
 				: this.__proto__)
+			return module.normalizeIndent(f.toString(...args)) },
+			/*/
 			return typeof(f) == 'function' ?
 				module.normalizeIndent(f.toString(...args))
 				: undefined },
+			//*/
 		enumerable: false,
 	})
 	return func }
diff --git a/package.json b/package.json
index fca2b9f..7bf863c 100755
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "ig-object",
-  "version": "5.5.5",
+  "version": "5.5.6",
   "description": "",
   "main": "object.js",
   "scripts": {
diff --git a/test.js b/test.js
index 720b16b..11e200d 100755
--- a/test.js
+++ b/test.js
@@ -619,14 +619,18 @@ var tests = test.Tests({
 
 var cases = test.Cases({
 	'edge-cases': function(assert){
+		// bad names...
+		assert.error('Constructor(..): malformed name', 
+			function(){
+				var X = object.Constructor('bad name', {}) })
+		assert.error('create(..): malformed name',
+			function(){
+				object.create('bad name', function(){}) })
 
 		assert.error('double __extends__ fail', function(){
-			var X = object.C('X', {
-				__extends__: Object,
-			}, {
-				__extends__: Function,
-			})
-		})
+			var X = object.C('X', 
+				{ __extends__: Object }, 
+				{ __extends__: Function }) })
 
 		// native constructor...
 		assert.array(
@@ -674,6 +678,7 @@ var cases = test.Cases({
 			object.values(obj, 'x', function(){ return object.STOP(555) }, true)[0] == 555,
 			// XXX assert ignores the order here -- this should fail...
 			'.values(.., func, true) with explicit stop value')
+
 	},
 	deepKeys: function(assert){
 		var a = {
@@ -813,6 +818,61 @@ var cases = test.Cases({
 		assert.array(b(), ['A', 'B'], 'call')
 		assert.array(c(), ['A', 'B', 'C'], 'call')
 	},
+
+	'docs': function(assert){
+
+		var func = function(){
+			console.log('some string...') }
+		var func_w_tostring = Object.assign(
+			function(){
+				console.log('some string...') },
+				{ toString: function(){ 
+					return 'func_w_tostring(){ .. }' } })
+
+		assert(
+			object.create(func).toString() == object.normalizeIndent(func.toString()),
+			'create(..): function .toString() proxy (builtin).')
+		assert(
+			object.create(func_w_tostring).toString() == func_w_tostring.toString(),
+			'create(..): function .toString() proxy (custom).')
+
+		var callable_a = 
+			object.Constructor('callable_a', 
+				function(){
+					console.log(this.constructor.name) })()
+		var callable_b = 
+			object.Constructor('callable_b', {
+				__call__: function(){
+					console.log(this.constructor.name) },
+			})()
+		var callable_c = 
+			object.Constructor('callable_c', {
+				__call__: function(){
+					console.log(this.constructor.name) },
+				toString: function(){
+					return this.constructor.name + '.toString()' },
+			})()
+
+		assert(
+			callable_b.toString() == object.normalizeIndent(callable_b.__call__.toString()),
+			'toString(..) proxy to .__call__(..)')
+		assert(
+			callable_b.toString() != object.normalizeIndent(callable_b.__proto__.toString()),
+			'toString(..) proxy not to .__proto__.toString(..)')
+		assert(
+			callable_c.toString() == callable_c.__proto__.toString(),
+			'toString(..) proxy to .toString(..)')
+
+		assert(
+			object.create(callable_a).toString() == callable_a.toString(),
+			'create(..): callable .toString() proxy (func).')
+		assert(
+			object.create(callable_b).toString() == callable_b.toString(),
+			'create(..): callable .toString() proxy (__call__).')
+		assert(
+			object.create(callable_c).toString() == callable_c.toString(),
+			'create(..): callable .toString() proxy (__call__ w. custom toString).')
+	},
 })