diff --git a/.npmignore b/.npmignore
index 48873c87..bf023d92 100644
--- a/.npmignore
+++ b/.npmignore
@@ -1,20 +1,8 @@
-# Configuration files
+# Development-specific files
 .deploy.env
 .editorconfig
 .eslintrc.js
 .gitattributes
 .gitignore
 .travis.yml
-
-# Tests
-test-utils/
-tests/
-
-# Documentation
-docs/
-examples/
 CONTRIBUTING.md
-
-# Browser stub (use index.js w/ a bundler or mithril.js w/o one instead)
-module/
-browser.js
diff --git a/README.md b/README.md
index ac65b7f1..9664d8f4 100644
--- a/README.md
+++ b/README.md
@@ -34,6 +34,6 @@ There are over 4000 assertions in the test suite, and tests cover even difficult
 
 ## Modularity
 
-Despite the huge improvements in performance and modularity, the new codebase is smaller than v0.2.x, currently clocking at <!-- size -->7.53 KB<!-- /size --> min+gzip
+Despite the huge improvements in performance and modularity, the new codebase is smaller than v0.2.x, currently clocking at <!-- size -->7.54 KB<!-- /size --> min+gzip
 
 In addition, Mithril is now completely modular: you can import only the modules that you need and easily integrate 3rd party modules if you wish to use a different library for routing, ajax, and even rendering
diff --git a/mithril.js b/mithril.js
index 43523644..715ecc63 100644
--- a/mithril.js
+++ b/mithril.js
@@ -759,14 +759,14 @@ var coreRenderer = function($window) {
 	}
 	function setAttr(vnode, key2, old, value, ns) {
 		var element = vnode.dom
-		if (key2 === "key" || (old === value && !isFormAttribute(vnode, key2)) && typeof value !== "object" || typeof value === "undefined" || isLifecycleMethod(key2)) return
+		if (key2 === "key" || key2 === "is" || (old === value && !isFormAttribute(vnode, key2)) && typeof value !== "object" || typeof value === "undefined" || isLifecycleMethod(key2)) return
 		var nsLastIndex = key2.indexOf(":")
 		if (nsLastIndex > -1 && key2.substr(0, nsLastIndex) === "xlink") {
 			element.setAttributeNS("http://www.w3.org/1999/xlink", key2.slice(nsLastIndex + 1), value)
 		}
 		else if (key2[0] === "o" && key2[1] === "n" && typeof value === "function") updateEvent(vnode, key2, value)
 		else if (key2 === "style") updateStyle(element, old, value)
-		else if (key2 in element && !isAttribute(key2) && ns === undefined) {
+		else if (key2 in element && !isAttribute(key2) && ns === undefined && !isCustomElement(vnode)) {
 			//setting input[value] to same value by typing on focused element moves cursor to end in Chrome
 			if (vnode.tag === "input" && key2 === "value" && vnode.dom.value === value && vnode.dom === $doc.activeElement) return
 			//setting select[value] to same value while having select open blinks select dropdown in Chrome
@@ -815,6 +815,9 @@ var coreRenderer = function($window) {
 	function isAttribute(attr) {
 		return attr === "href" || attr === "list" || attr === "form" || attr === "width" || attr === "height"// || attr === "type"
 	}
+	function isCustomElement(vnode){
+		return vnode.attrs.is || vnode.tag.indexOf("-") > -1
+	}
 	function hasIntegrationMethods(source) {
 		return source != null && (source.oncreate || source.onupdate || source.onbeforeremove || source.onremove)
 	}
diff --git a/mithril.min.js b/mithril.min.js
index 5242bdcd..811aaac4 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -26,16 +26,16 @@ null!=b.text&&(b.children=[u("#",void 0,void 0,b.text,void 0,void 0)]),g(q,f.chi
 b.dom){var e=y.createDocumentFragment();if(0<a){for(b=b.dom;--a;)e.appendChild(b.nextSibling);e.insertBefore(b,e.firstChild)}return e}return b.dom}function n(b,a,c){for(;a<b.length;a++)if(null!=b[a]&&null!=b[a].dom)return b[a].dom;return c}function p(b,a,c){c&&c.parentNode?b.insertBefore(a,c):b.appendChild(a)}function k(b){var a=b.children;if(null!=a&&1===a.length&&"<"===a[0].tag)a=a[0].children,b.dom.innerHTML!==a&&(b.dom.innerHTML=a);else if(null!=b.text||null!=a&&0!==a.length)throw Error("Child node of a contenteditable must be trusted");
 }function t(b,a,c,d){for(;a<c;a++){var e=b[a];null!=e&&(e.skip?e.skip=!1:C(e,d))}}function b(b){var a=!1;return function(){a||(a=!0,b())}}function C(a,f){function e(){if(++d===c&&(q(a),a.dom)){var b=a.domSize||1;if(1<b)for(var e=a.dom;--b;){var g=e.nextSibling,k=g.parentNode;null!=k&&k.removeChild(g)}b=a.dom;e=b.parentNode;null!=e&&e.removeChild(b);if(b=null!=f&&null==a.domSize)b=a.attrs,b=!(null!=b&&(b.oncreate||b.onupdate||b.onbeforeremove||b.onremove));b&&"string"===typeof a.tag&&(f.pool?f.pool.push(a):
 f.pool=[a])}}var c=1,d=0;a.attrs&&a.attrs.onbeforeremove&&(c++,a.attrs.onbeforeremove.call(a.state,a,b(e)));"string"!==typeof a.tag&&a.tag.onbeforeremove&&(c++,a.tag.onbeforeremove.call(a.state,a,b(e)));e()}function q(a){a.attrs&&a.attrs.onremove&&a.attrs.onremove.call(a.state,a);"string"!==typeof a.tag&&a.tag.onremove&&a.tag.onremove.call(a.state,a);if(null!=a.instance)q(a.instance);else if(a=a.children,a instanceof Array)for(var b=0;b<a.length;b++){var e=a[b];null!=e&&q(e)}}function w(a,b,c,d,g){var e=
-a.dom;if("key"!==b&&(c!==d||"value"===b||"checked"===b||"selectedIndex"===b||"selected"===b&&a.dom===y.activeElement||"object"===typeof d)&&"undefined"!==typeof d&&!M(b)){var f=b.indexOf(":");if(-1<f&&"xlink"===b.substr(0,f))e.setAttributeNS("http://www.w3.org/1999/xlink",b.slice(f+1),d);else if("o"===b[0]&&"n"===b[1]&&"function"===typeof d)z(a,b,d);else if("style"===b)if(a=c,a===d&&(e.style.cssText="",a=null),null==d)e.style.cssText="";else if("string"===typeof d)e.style.cssText=d;else{"string"===
-typeof a&&(e.style.cssText="");for(var k in d)e.style[k]=d[k];if(null!=a&&"string"!==typeof a)for(k in a)k in d||(e.style[k]="")}else b in e&&"href"!==b&&"list"!==b&&"form"!==b&&"width"!==b&&"height"!==b&&void 0===g?"input"===a.tag&&"value"===b&&a.dom.value===d&&a.dom===y.activeElement||"select"===a.tag&&"value"===b&&a.dom.value===d&&a.dom===y.activeElement||"option"===a.tag&&"value"===b&&a.dom.value===d||(e[b]=d):"boolean"===typeof d?d?e.setAttribute(b,""):e.removeAttribute(b):e.setAttribute("className"===
-b?"class":b,d)}}function M(a){return"oninit"===a||"oncreate"===a||"onupdate"===a||"onremove"===a||"onbeforeremove"===a||"onbeforeupdate"===a}function z(a,b,c){var d=a.dom,e="function"!==typeof E?c:function(a){var b=c.call(d,a);E.call(d,a);return b};if(b in d)d[b]="function"===typeof c?e:null;else{var f=b.slice(2);void 0===a.events&&(a.events={});a.events[b]!==e&&(null!=a.events[b]&&d.removeEventListener(f,a.events[b],!1),"function"===typeof c&&(a.events[b]=e,d.addEventListener(f,a.events[b],!1)))}}
-function A(a,b,c){"function"===typeof a.oninit&&a.oninit.call(b.state,b);"function"===typeof a.oncreate&&c.push(a.oncreate.bind(b.state,b))}function N(a,b,c,d){d?A(a,b,c):"function"===typeof a.onupdate&&c.push(a.onupdate.bind(b.state,b))}function S(a,b){Object.keys(b).forEach(function(c){a[c]=b[c]})}var y=a.document,D=y.createDocumentFragment(),E;return{render:function(a,b){if(!a)throw Error("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.");var c=[],d=y.activeElement;
-null==a.vnodes&&(a.textContent="");b instanceof Array||(b=[b]);g(a,a.vnodes,u.normalizeChildren(b),c,null,void 0);a.vnodes=b;for(var e=0;e<c.length;e++)c[e]();y.activeElement!==d&&d.focus()},setEventCallback:function(a){return E=a}}},I=function(a){function c(a){a=d.indexOf(a);-1<a&&d.splice(a,2)}function h(){for(var a=1;a<d.length;a+=2)d[a]()}a=O(a);a.setEventCallback(function(a){!1!==a.redraw&&h()});var d=[];return{subscribe:function(a,h){c(a);d.push(a,Q(h))},unsubscribe:c,redraw:h,render:a.render}}(window);
-K.setCompletionCallback(I.redraw);A.mount=function(a){return function(c,h){if(null===h)a.render(c,[]),a.unsubscribe(c);else{if(null==h.view)throw Error("m.mount(element, component) expects a component, not a vnode");a.subscribe(c,function(){a.render(c,u(h))});a.redraw()}}}(I);var D=G,L=function(a){if(""===a||null==a)return{};"?"===a.charAt(0)&&(a=a.slice(1));a=a.split("&");for(var c={},h={},d=0;d<a.length;d++){var g=a[d].split("="),m=decodeURIComponent(g[0]),g=2===g.length?decodeURIComponent(g[1]):
-"";"true"===g?g=!0:"false"===g&&(g=!1);var l=m.split(/\]\[?|\[/),n=c;-1<m.indexOf("[")&&l.pop();for(var p=0;p<l.length;p++){var m=l[p],k=l[p+1],k=""==k||!isNaN(parseInt(k,10)),t=p===l.length-1;""===m&&(m=l.slice(0,p).join(),null==h[m]&&(h[m]=0),m=h[m]++);null==n[m]&&(n[m]=t?g:k?[]:{});n=n[m]}}return c},T=function(a){function c(c){var d=a.location[c].replace(/(?:%[a-f89][a-f0-9])+/gim,decodeURIComponent);"pathname"===c&&"/"!==d[0]&&(d="/"+d);return d}function h(a){return function(){null==l&&(l=m(function(){l=
-null;a()}))}}function d(a,c,d){var b=a.indexOf("?"),g=a.indexOf("#"),k=-1<b?b:-1<g?g:a.length;if(-1<b){var b=L(a.slice(b+1,-1<g?g:a.length)),h;for(h in b)c[h]=b[h]}if(-1<g)for(h in c=L(a.slice(g+1)),c)d[h]=c[h];return a.slice(0,k)}var g="function"===typeof a.history.pushState,m="function"===typeof setImmediate?setImmediate:setTimeout,l,n={prefix:"#!",getPath:function(){switch(n.prefix.charAt(0)){case "#":return c("hash").slice(n.prefix.length);case "?":return c("search").slice(n.prefix.length)+c("hash");
-default:return c("pathname").slice(n.prefix.length)+c("search")+c("hash")}},setPath:function(c,k,h){var b={},l={};c=d(c,b,l);if(null!=k){for(var q in k)b[q]=k[q];c=c.replace(/:([^\/]+)/g,function(a,c){delete b[c];return k[c]})}(q=H(b))&&(c+="?"+q);(l=H(l))&&(c+="#"+l);g?(l=h?h.state:null,q=h?h.title:null,a.onpopstate(),h&&h.replace?a.history.replaceState(l,q,n.prefix+c):a.history.pushState(l,q,n.prefix+c)):a.location.href=n.prefix+c},defineRoutes:function(c,k,l){function b(){var b=n.getPath(),g={},
-h=d(b,g,g),m=a.history.state;if(null!=m)for(var t in m)g[t]=m[t];for(var p in c)if(m=new RegExp("^"+p.replace(/:[^\/]+?\.{3}/g,"(.*?)").replace(/:[^\/]+/g,"([^\\/]+)")+"/?$"),m.test(h)){h.replace(m,function(){for(var a=p.match(/:[^\/]+/g)||[],d=[].slice.call(arguments,1,-2),h=0;h<a.length;h++)g[a[h].replace(/:|\./g,"")]=decodeURIComponent(d[h]);k(c[p],g,b,p)});return}l(b,g)}g?a.onpopstate=h(b):"#"===n.prefix.charAt(0)&&(a.onhashchange=b);b()}};return n};A.route=function(a,c){var h=T(a),d=function(a){return a},
+a.dom;if("key"!==b&&"is"!==b&&(c!==d||"value"===b||"checked"===b||"selectedIndex"===b||"selected"===b&&a.dom===y.activeElement||"object"===typeof d)&&"undefined"!==typeof d&&!M(b)){var f=b.indexOf(":");if(-1<f&&"xlink"===b.substr(0,f))e.setAttributeNS("http://www.w3.org/1999/xlink",b.slice(f+1),d);else if("o"===b[0]&&"n"===b[1]&&"function"===typeof d)z(a,b,d);else if("style"===b)if(a=c,a===d&&(e.style.cssText="",a=null),null==d)e.style.cssText="";else if("string"===typeof d)e.style.cssText=d;else{"string"===
+typeof a&&(e.style.cssText="");for(var k in d)e.style[k]=d[k];if(null!=a&&"string"!==typeof a)for(k in a)k in d||(e.style[k]="")}else b in e&&"href"!==b&&"list"!==b&&"form"!==b&&"width"!==b&&"height"!==b&&void 0===g&&!(a.attrs.is||-1<a.tag.indexOf("-"))?"input"===a.tag&&"value"===b&&a.dom.value===d&&a.dom===y.activeElement||"select"===a.tag&&"value"===b&&a.dom.value===d&&a.dom===y.activeElement||"option"===a.tag&&"value"===b&&a.dom.value===d||(e[b]=d):"boolean"===typeof d?d?e.setAttribute(b,""):e.removeAttribute(b):
+e.setAttribute("className"===b?"class":b,d)}}function M(a){return"oninit"===a||"oncreate"===a||"onupdate"===a||"onremove"===a||"onbeforeremove"===a||"onbeforeupdate"===a}function z(a,b,c){var d=a.dom,e="function"!==typeof E?c:function(a){var b=c.call(d,a);E.call(d,a);return b};if(b in d)d[b]="function"===typeof c?e:null;else{var f=b.slice(2);void 0===a.events&&(a.events={});a.events[b]!==e&&(null!=a.events[b]&&d.removeEventListener(f,a.events[b],!1),"function"===typeof c&&(a.events[b]=e,d.addEventListener(f,
+a.events[b],!1)))}}function A(a,b,c){"function"===typeof a.oninit&&a.oninit.call(b.state,b);"function"===typeof a.oncreate&&c.push(a.oncreate.bind(b.state,b))}function N(a,b,c,d){d?A(a,b,c):"function"===typeof a.onupdate&&c.push(a.onupdate.bind(b.state,b))}function S(a,b){Object.keys(b).forEach(function(c){a[c]=b[c]})}var y=a.document,D=y.createDocumentFragment(),E;return{render:function(a,b){if(!a)throw Error("Ensure the DOM element being passed to m.route/m.mount/m.render is not undefined.");var c=
+[],d=y.activeElement;null==a.vnodes&&(a.textContent="");b instanceof Array||(b=[b]);g(a,a.vnodes,u.normalizeChildren(b),c,null,void 0);a.vnodes=b;for(var e=0;e<c.length;e++)c[e]();y.activeElement!==d&&d.focus()},setEventCallback:function(a){return E=a}}},I=function(a){function c(a){a=d.indexOf(a);-1<a&&d.splice(a,2)}function h(){for(var a=1;a<d.length;a+=2)d[a]()}a=O(a);a.setEventCallback(function(a){!1!==a.redraw&&h()});var d=[];return{subscribe:function(a,h){c(a);d.push(a,Q(h))},unsubscribe:c,redraw:h,
+render:a.render}}(window);K.setCompletionCallback(I.redraw);A.mount=function(a){return function(c,h){if(null===h)a.render(c,[]),a.unsubscribe(c);else{if(null==h.view)throw Error("m.mount(element, component) expects a component, not a vnode");a.subscribe(c,function(){a.render(c,u(h))});a.redraw()}}}(I);var D=G,L=function(a){if(""===a||null==a)return{};"?"===a.charAt(0)&&(a=a.slice(1));a=a.split("&");for(var c={},h={},d=0;d<a.length;d++){var g=a[d].split("="),m=decodeURIComponent(g[0]),g=2===g.length?
+decodeURIComponent(g[1]):"";"true"===g?g=!0:"false"===g&&(g=!1);var l=m.split(/\]\[?|\[/),n=c;-1<m.indexOf("[")&&l.pop();for(var p=0;p<l.length;p++){var m=l[p],k=l[p+1],k=""==k||!isNaN(parseInt(k,10)),t=p===l.length-1;""===m&&(m=l.slice(0,p).join(),null==h[m]&&(h[m]=0),m=h[m]++);null==n[m]&&(n[m]=t?g:k?[]:{});n=n[m]}}return c},T=function(a){function c(c){var d=a.location[c].replace(/(?:%[a-f89][a-f0-9])+/gim,decodeURIComponent);"pathname"===c&&"/"!==d[0]&&(d="/"+d);return d}function h(a){return function(){null==
+l&&(l=m(function(){l=null;a()}))}}function d(a,c,d){var b=a.indexOf("?"),g=a.indexOf("#"),k=-1<b?b:-1<g?g:a.length;if(-1<b){var b=L(a.slice(b+1,-1<g?g:a.length)),h;for(h in b)c[h]=b[h]}if(-1<g)for(h in c=L(a.slice(g+1)),c)d[h]=c[h];return a.slice(0,k)}var g="function"===typeof a.history.pushState,m="function"===typeof setImmediate?setImmediate:setTimeout,l,n={prefix:"#!",getPath:function(){switch(n.prefix.charAt(0)){case "#":return c("hash").slice(n.prefix.length);case "?":return c("search").slice(n.prefix.length)+
+c("hash");default:return c("pathname").slice(n.prefix.length)+c("search")+c("hash")}},setPath:function(c,k,h){var b={},l={};c=d(c,b,l);if(null!=k){for(var q in k)b[q]=k[q];c=c.replace(/:([^\/]+)/g,function(a,c){delete b[c];return k[c]})}(q=H(b))&&(c+="?"+q);(l=H(l))&&(c+="#"+l);g?(l=h?h.state:null,q=h?h.title:null,a.onpopstate(),h&&h.replace?a.history.replaceState(l,q,n.prefix+c):a.history.pushState(l,q,n.prefix+c)):a.location.href=n.prefix+c},defineRoutes:function(c,k,l){function b(){var b=n.getPath(),
+g={},h=d(b,g,g),m=a.history.state;if(null!=m)for(var t in m)g[t]=m[t];for(var p in c)if(m=new RegExp("^"+p.replace(/:[^\/]+?\.{3}/g,"(.*?)").replace(/:[^\/]+/g,"([^\\/]+)")+"/?$"),m.test(h)){h.replace(m,function(){for(var a=p.match(/:[^\/]+/g)||[],d=[].slice.call(arguments,1,-2),h=0;h<a.length;h++)g[a[h].replace(/:|\./g,"")]=decodeURIComponent(d[h]);k(c[p],g,b,p)});return}l(b,g)}g?a.onpopstate=h(b):"#"===n.prefix.charAt(0)&&(a.onhashchange=b);b()}};return n};A.route=function(a,c){var h=T(a),d=function(a){return a},
 g,m,l,n,p,k=function(a,b,k){if(null==a)throw Error("Ensure the DOM element that was passed to `m.route` is not undefined");var q=function(){null!=g&&c.render(a,g(u(m,l.key,l)))},t=function(){h.setPath(b)};h.defineRoutes(k,function(a,b,c){var h=p=function(a,k){h===p&&(m=null!=k&&"function"===typeof k.view?k:"div",l=b,n=c,p=null,g=(a.render||d).bind(a),q())};a.view?h({},a):a.onmatch?D.resolve(a.onmatch(b,c)).then(function(b){h(a,b)},t):h(a,"div")},t);c.subscribe(a,q)};k.set=function(a,b,c){null!=p&&
 (c={replace:!0});p=null;h.setPath(a,b,c)};k.get=function(){return n};k.prefix=function(a){h.prefix=a};k.link=function(a){a.dom.setAttribute("href",h.prefix+a.attrs.href);a.dom.onclick=function(a){a.ctrlKey||a.metaKey||a.shiftKey||2===a.which||(a.preventDefault(),a.redraw=!1,a=this.getAttribute("href"),0===a.indexOf(h.prefix)&&(a=a.slice(h.prefix.length)),k.set(a,void 0,void 0))}};return k}(window,I);A.withAttr=function(a,c,h){return function(d){return c.call(h||this,a in d.currentTarget?d.currentTarget[a]:
 d.currentTarget.getAttribute(a))}};G=O(window);A.render=G.render;A.redraw=I.redraw;A.request=K.request;A.jsonp=K.jsonp;A.parseQueryString=L;A.buildQueryString=H;A.version="1.0.0-rc.6";"undefined"!==typeof module?module.exports=A:window.m=A};
\ No newline at end of file
diff --git a/render/render.js b/render/render.js
index 8d9bd366..731ebdf3 100644
--- a/render/render.js
+++ b/render/render.js
@@ -435,14 +435,14 @@ module.exports = function($window) {
 	}
 	function setAttr(vnode, key, old, value, ns) {
 		var element = vnode.dom
-		if (key === "key" || (old === value && !isFormAttribute(vnode, key)) && typeof value !== "object" || typeof value === "undefined" || isLifecycleMethod(key)) return
+		if (key === "key" || key === "is" || (old === value && !isFormAttribute(vnode, key)) && typeof value !== "object" || typeof value === "undefined" || isLifecycleMethod(key)) return
 		var nsLastIndex = key.indexOf(":")
 		if (nsLastIndex > -1 && key.substr(0, nsLastIndex) === "xlink") {
 			element.setAttributeNS("http://www.w3.org/1999/xlink", key.slice(nsLastIndex + 1), value)
 		}
 		else if (key[0] === "o" && key[1] === "n" && typeof value === "function") updateEvent(vnode, key, value)
 		else if (key === "style") updateStyle(element, old, value)
-		else if (key in element && !isAttribute(key) && ns === undefined) {
+		else if (key in element && !isAttribute(key) && ns === undefined && !isCustomElement(vnode)) {
 			//setting input[value] to same value by typing on focused element moves cursor to end in Chrome
 			if (vnode.tag === "input" && key === "value" && vnode.dom.value === value && vnode.dom === $doc.activeElement) return
 			//setting select[value] to same value while having select open blinks select dropdown in Chrome
@@ -491,6 +491,9 @@ module.exports = function($window) {
 	function isAttribute(attr) {
 		return attr === "href" || attr === "list" || attr === "form" || attr === "width" || attr === "height"// || attr === "type"
 	}
+	function isCustomElement(vnode){
+		return vnode.attrs.is || vnode.tag.indexOf("-") > -1
+	}
 	function hasIntegrationMethods(source) {
 		return source != null && (source.oncreate || source.onupdate || source.onbeforeremove || source.onremove)
 	}
diff --git a/render/tests/test-attributes.js b/render/tests/test-attributes.js
index 73cbd685..2d08007b 100644
--- a/render/tests/test-attributes.js
+++ b/render/tests/test-attributes.js
@@ -11,7 +11,43 @@ o.spec("attributes", function() {
 		root = $window.document.body
 		render = vdom($window).render
 	})
+	o.spec("customElements", function(){
+		
+		o("when vnode is customElement, custom setAttribute called", function(){
 
+			var normal =  [
+				{ tag: "input", attrs: { value: 'hello' } },
+				{ tag: "input", attrs: { value: 'hello' } },
+				{ tag: "input", attrs: { value: 'hello' } }
+			]
+			
+			var custom = [
+				{ tag: "custom-element", attrs: { custom: 'x' } },
+				{ tag: "input", attrs: { is: 'something-special', custom: 'x' } },
+				{ tag: "custom-element", attrs: { is: 'something-special', custom: 'x' } }
+			]
+
+			var view = normal.concat(custom)
+
+			var f = $window.document.createElement
+			var spy
+
+			$window.document.createElement = function(tag, is){
+				var el = f(tag, is)
+				if(!spy){
+					spy = o.spy(el.setAttribute)
+				}
+				el.setAttribute = spy
+
+				return el
+			}
+
+			render(root, view)
+			
+			o(spy.callCount).equals( custom.length )
+		})
+
+	})
 	o.spec("input readonly", function() {
 		o("when input readonly is true, attribute is present", function() {
 			var a = {tag: "input", attrs: {readonly: true}}