diff --git a/hyperscript.js b/hyperscript.js
new file mode 100644
index 00000000..48f06c9e
--- /dev/null
+++ b/hyperscript.js
@@ -0,0 +1,6 @@
+var hyperscript = require("./render/hyperscript")
+hyperscript.trust = require("./render/trust")
+hyperscript.fragment = require("./render/fragment")
+
+
+module.exports = hyperscript
diff --git a/index.js b/index.js
index 84e06db6..089d390b 100644
--- a/index.js
+++ b/index.js
@@ -1,6 +1,6 @@
 "use strict"
 
-var m = require("./render/hyperscript")
+var m = require("./hyperscript")
 var renderService = require("./render")
 var requestService = require("./request")
 var redrawService = require("./redraw")
@@ -11,7 +11,6 @@ requestService.setCompletionCallback(redrawService.publish)
 
 m.route = require("./route")
 m.mount = require("./mount")
-m.trust = require("./render/trust")
 m.withAttr = require("./util/withAttr")
 m.prop = require("./stream")
 m.render = renderService.render
diff --git a/mithril.js b/mithril.js
index 84b2f8b6..d1e31fa8 100644
--- a/mithril.js
+++ b/mithril.js
@@ -72,6 +72,12 @@ function hyperscript(selector) {
 	if (typeof selector === "string") return selectorCache[selector](attrs || {}, Vnode.normalizeChildren(children))
 	return Vnode(selector, attrs && attrs.key, attrs || {}, Vnode.normalizeChildren(children), undefined, undefined)
 }
+hyperscript.trust = function(html) {
+	return Vnode("<", undefined, undefined, html, undefined, undefined)
+}
+hyperscript.fragment = function(attrs, children) {
+	return Vnode("[", attrs.key, attrs, Vnode.normalizeChildren(children), undefined, undefined)
+}
 var m = hyperscript
 var renderService = function($window) {
 	var $doc = $window.document
@@ -160,6 +166,8 @@ var renderService = function($window) {
 		initLifecycle(vnode.tag, vnode, hooks)
 		vnode.instance = Vnode.normalize(vnode.tag.view.call(vnode.state, vnode))
 		if (vnode.instance != null) {
+			if(vnode.instance === vnode)
+				throw Error("A component view mustn't return the vnode that was supplied to it.")
 			var element = createNode(vnode.instance, hooks, ns)
 			vnode.dom = vnode.instance.dom
 			vnode.domSize = vnode.dom != null ? vnode.instance.domSize : 0
@@ -178,7 +186,6 @@ var renderService = function($window) {
 		else {
 			var recycling = isRecyclable(old, vnodes)
 			if (recycling) old = old.concat(old.pool)
-			
 			if (old.length === vnodes.length && vnodes[0] != null && vnodes[0].key == null) {
 				for (var i = 0; i < old.length; i++) {
 					if (old[i] === vnodes[i] || old[i] == null && vnodes[i] == null) continue
@@ -569,7 +576,6 @@ var renderService = function($window) {
 	function render(dom, vnodes) {
 		var hooks = []
 		var active = $doc.activeElement
-		
 		// First time rendering into a node clears it out
 		if (dom.vnodes == null) dom.textContent = ""
 		if (!(vnodes instanceof Array)) vnodes = [vnodes]
@@ -1136,9 +1142,6 @@ m.mount = function(renderer, pubsub) {
 		run()
 	}
 }(renderService, redrawService)
-m.trust = function(html) {
-	return Vnode("<", undefined, undefined, html, undefined, undefined)
-}
 m.withAttr = function(attrName, callback, context) {
 	return function(e) {
 		return callback.call(context || this, attrName in e.currentTarget ? e.currentTarget[attrName] : e.currentTarget.getAttribute(attrName))
diff --git a/mithril.min.js b/mithril.min.js
index 00fa3427..ee4750c5 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -1,41 +1,41 @@
-new function(){function u(b,d,r,g,n,k){return{tag:b,key:d,attrs:r,children:g,text:n,dom:k,domSize:void 0,state:{},events:void 0,instance:void 0,skip:!1}}u.normalize=function(b){return b instanceof Array?u("[",void 0,void 0,u.normalizeChildren(b),void 0,void 0):null!=b&&"object"!==typeof b?u("#",void 0,void 0,b,void 0,void 0):b};u.normalizeChildren=function(b){for(var d=0;d<b.length;d++)b[d]=u.normalize(b[d]);return b};var O=/(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g,
-G={},x=function(b){if(null==b||"string"!==typeof b&&null==b.view)throw Error("The selector must be either a string or a component.");if("string"===typeof b&&void 0===G[b]){for(var d,r,g=[],n={};d=O.exec(b);){var k=d[1],m=d[2];""===k&&""!==m?r=m:"#"===k?n.id=m:"."===k?g.push(m):"["===d[3][0]&&((k=d[6])&&(k=k.replace(/\\(["'])/g,"$1").replace(/\\\\/g,"\\")),n[d[4]]=k||!0)}0<g.length&&(n.className=g.join(" "));G[b]=function(b,d){var e=!1,g,k,p=b.className||b["class"],m;for(m in n)b[m]=n[m];void 0!==
-p&&(void 0!==b["class"]&&(b["class"]=void 0,b.className=p),void 0!==n.className&&(b.className=n.className+" "+p));for(m in b)if("key"!==m){e=!0;break}d instanceof Array&&1==d.length&&null!=d[0]&&"#"===d[0].tag?k=d[0].children:g=d;return u(r||"div",b.key,e?b:void 0,g,k,void 0)}}var l;null!=arguments[1]&&("object"!==typeof arguments[1]||void 0!==arguments[1].tag||arguments[1]instanceof Array)?g=1:(l=arguments[1],g=2);if(arguments.length===g+1)d=arguments[g]instanceof Array?arguments[g]:[arguments[g]];
-else for(d=[];g<arguments.length;g++)d.push(arguments[g]);return"string"===typeof b?G[b](l||{},u.normalizeChildren(d)):u(b,l&&l.key,l||{},u.normalizeChildren(d),void 0,void 0)},E=function(b){function d(c,a,f,e,b,d,q){for(;f<e;f++){var t=a[f];null!=t&&w(c,r(t,b,q),d)}}function r(c,a,f){var e=c.tag;null!=c.attrs&&x(c.attrs,c,a);if("string"===typeof e)switch(e){case "#":return c.dom=y.createTextNode(c.children);case "<":return g(c);case "[":var b=y.createDocumentFragment();null!=c.children&&(e=c.children,
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+(c.extract=h);c.url=q(c.url,c.data);k?c.data=c.serialize(c.data):c.url=g(c.url,c.data);var u=new d.XMLHttpRequest;u.open(c.method,c.url,"boolean"===typeof c.async?c.async:!0,"string"===typeof c.user?c.user:void 0,"string"===typeof c.password?c.password:void 0);c.serialize===JSON.stringify&&k&&u.setRequestHeader("Content-Type","application/json; charset=utf-8");c.deserialize===n&&u.setRequestHeader("Accept","application/json, text/*");"function"===typeof c.config&&(u=c.config(u,c)||u);u.onreadystatechange=
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\ No newline at end of file
diff --git a/ospec/package.json b/ospec/package.json
index 3e10bafd..fd0c1878 100644
--- a/ospec/package.json
+++ b/ospec/package.json
@@ -8,5 +8,7 @@
   },
   "keywords": [ "testing" ],
   "author": "Leo Horie <lhorie@hotmail.com>",
-  "license": "MIT"
+  "license": "MIT",
+  "bin": "./bin/ospec",
+  "repository": "lhorie/mithril.js#rewrite"
 }
diff --git a/package.json b/package.json
index 14d8f92a..0dc53dd5 100644
--- a/package.json
+++ b/package.json
@@ -5,6 +5,7 @@
 	"author": "Leo Horie",
 	"license": "MIT",
 	"main": "index.js",
+	"repository": "lhorie/mithril.js",
 	"scripts": {
 		"dev": "node bundler/cli browser.js -o mithril.js -w",
 		"build": "npm run build-browser & npm run build-min",
@@ -21,8 +22,5 @@
 	},
 	"publishConfig": {
 		"tag": "beta"
-	},
-	"bin": {
-		"ospec": "./ospec/bin/ospec"
 	}
 }
diff --git a/render/fragment.js b/render/fragment.js
new file mode 100644
index 00000000..82918975
--- /dev/null
+++ b/render/fragment.js
@@ -0,0 +1,7 @@
+"use strict"
+
+var Vnode = require("../render/vnode")
+
+module.exports = function(attrs, children) {
+	return Vnode("[", attrs.key, attrs, Vnode.normalizeChildren(children), undefined, undefined)
+}
diff --git a/render/render.js b/render/render.js
index 40874142..8c19c75d 100644
--- a/render/render.js
+++ b/render/render.js
@@ -98,6 +98,8 @@ module.exports = function($window) {
 		initLifecycle(vnode.tag, vnode, hooks)
 		vnode.instance = Vnode.normalize(vnode.tag.view.call(vnode.state, vnode))
 		if (vnode.instance != null) {
+			if(vnode.instance === vnode)
+				throw Error("A component view mustn't return the vnode that was supplied to it.")
 			var element = createNode(vnode.instance, hooks, ns)
 			vnode.dom = vnode.instance.dom
 			vnode.domSize = vnode.dom != null ? vnode.instance.domSize : 0
@@ -117,7 +119,7 @@ module.exports = function($window) {
 		else {
 			var recycling = isRecyclable(old, vnodes)
 			if (recycling) old = old.concat(old.pool)
-			
+
 			if (old.length === vnodes.length && vnodes[0] != null && vnodes[0].key == null) {
 				for (var i = 0; i < old.length; i++) {
 					if (old[i] === vnodes[i] || old[i] == null && vnodes[i] == null) continue
@@ -516,7 +518,7 @@ module.exports = function($window) {
 	function render(dom, vnodes) {
 		var hooks = []
 		var active = $doc.activeElement
-		
+
 		// First time rendering into a node clears it out
 		if (dom.vnodes == null) dom.textContent = ""
 
diff --git a/render/tests/test-component.js b/render/tests/test-component.js
index c6078469..13eb0bcc 100644
--- a/render/tests/test-component.js
+++ b/render/tests/test-component.js
@@ -254,6 +254,22 @@ o.spec("component", function() {
 
 			o(root.childNodes.length).equals(0)
 		})
+		o("throws a custom error if it returns itself", function() {
+			// A view that returns its vnode would otherwise trigger an infinite loop
+			var component = {
+				view: function(vnode) {
+					return vnode
+				}
+			}
+			try {
+				render(root, [{tag: component}])
+			}
+			catch(error){
+				o(error instanceof Error).equals(true)
+				// Call stack excession is a RangeError
+				o(error instanceof RangeError).equals(false)
+			}
+		})
 		o("can update when returning fragments", function() {
 			var component = {
 				view: function(vnode) {
diff --git a/render/tests/test-fragment.js b/render/tests/test-fragment.js
new file mode 100644
index 00000000..f0403bbc
--- /dev/null
+++ b/render/tests/test-fragment.js
@@ -0,0 +1,35 @@
+"use strict"
+
+var o = require("../../ospec/ospec")
+var fragment = require("../../render/fragment")
+
+o.spec("fragment", function() {
+	o("works", function() {
+		var attrs = {foo: 5}
+		var child = {tag: "p"}
+		var frag = fragment(attrs, [child])
+
+		o(frag.tag).equals("[")
+
+		o(frag.children instanceof Array).equals(true)
+		o(frag.children.length).equals(1)
+		o(frag.children[0]).equals(child)
+
+		o(frag.attrs).equals(attrs)
+
+		o(frag.key).equals(undefined)
+	})
+	o("supports keys", function() {
+		var attrs = {key: 7}
+		var frag = fragment(attrs, [])
+		o(frag.tag).equals("[")
+
+		o(frag.children instanceof Array).equals(true)
+		o(frag.children.length).equals(0)
+
+		o(frag.attrs).equals(attrs)
+		o(frag.attrs.key).equals(7)
+
+		o(frag.key).equals(7)
+	})
+})