From edf3c5eaf772584013cb728855ff124584db2094 Mon Sep 17 00:00:00 2001
From: Barney Carroll <barney.carroll@gmail.com>
Date: Thu, 24 Nov 2016 12:25:00 +0000
Subject: [PATCH 1/3] Tests for contenteditable trust, including failing test
 for #1421

---
 render/tests/test-attributes.js | 58 +++++++++++++++++++++++++++++++--
 1 file changed, 56 insertions(+), 2 deletions(-)

diff --git a/render/tests/test-attributes.js b/render/tests/test-attributes.js
index 6df82eaf..73cbd685 100644
--- a/render/tests/test-attributes.js
+++ b/render/tests/test-attributes.js
@@ -79,9 +79,9 @@ o.spec("attributes", function() {
 	o.spec("canvas width and height", function() {
 		o("uses attribute API", function() {
 			var canvas = {tag: "canvas", attrs: {width: "100%"}}
-			
+
 			render(root, canvas)
-			
+
 			o(canvas.dom.attributes["width"].nodeValue).equals("100%")
 			o(canvas.dom.width).equals(100)
 		})
@@ -95,4 +95,58 @@ o.spec("attributes", function() {
 			o(a.dom.attributes["class"].nodeValue).equals("test")
 		})
 	})
+	o.spec("contenteditable throws on untrusted children", function() {
+		o("including text nodes", function() {
+			var div = {tag: "div", attrs: {contenteditable: true}, text: ''}
+			var succeeded = false
+
+			try {
+				render(root, div)
+
+				succeeded = true
+			}
+			catch(e){}
+
+			o(succeeded).equals(false)
+		})
+		o("including elements", function() {
+			var div = {tag: "div", attrs: {contenteditable: true}, children: [{tag: "script", attrs: {src: "http://evil.com"}}]}
+			var succeeded = false
+
+			try {
+				render(root, div)
+
+				succeeded = true
+			}
+			catch(e){}
+
+			o(succeeded).equals(false)
+		})
+		o("tolerating empty children", function() {
+			var div = {tag: "div", attrs: {contenteditable: true}, children: []}
+			var succeeded = false
+
+			try {
+				render(root, div)
+
+				succeeded = true
+			}
+			catch(e){}
+
+			o(succeeded).equals(true)
+		})
+		o("tolerating trusted content", function() {
+			var div = {tag: "div", attrs: {contenteditable: true}, children: [{tag: "<", children: "<a></a>"}]}
+			var succeeded = false
+
+			try {
+				render(root, div)
+
+				succeeded = true
+			}
+			catch(e){}
+
+			o(succeeded).equals(true)
+		})
+	})
 })

From e8669ad5c80310299d458a5c12bc82191c8ffa0e Mon Sep 17 00:00:00 2001
From: Barney Carroll <barney.carroll@gmail.com>
Date: Thu, 24 Nov 2016 12:29:45 +0000
Subject: [PATCH 2/3] Fix #1421

---
 render/render.js | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/render/render.js b/render/render.js
index 909477a2..c31a79ce 100644
--- a/render/render.js
+++ b/render/render.js
@@ -135,7 +135,7 @@ module.exports = function($window) {
 			else {
 				var recycling = isRecyclable(old, vnodes)
 				if (recycling) old = old.concat(old.pool)
-				
+
 				var oldStart = 0, start = 0, oldEnd = old.length - 1, end = vnodes.length - 1, map
 				while (oldEnd >= oldStart && end >= start) {
 					var o = old[oldStart], v = vnodes[start]
@@ -347,7 +347,7 @@ module.exports = function($window) {
 			var content = children[0].children
 			if (vnode.dom.innerHTML !== content) vnode.dom.innerHTML = content
 		}
-		else if (children != null || vnode.text != null) throw new Error("Child node of a contenteditable must be trusted")
+		else if (vnode.text != null || children != null && children.length !== 0) throw new Error("Child node of a contenteditable must be trusted")
 	}
 
 	//remove

From b87cf7b28853aab4cd306afc24d7507b81027c32 Mon Sep 17 00:00:00 2001
From: Gandalf-the-Bot <gandalfthebot@py.gy>
Date: Thu, 24 Nov 2016 13:19:40 +0000
Subject: [PATCH 3/3] Bundled output for commit
 b4ada9284c47b14de50f2190380507046cbb18e1 [skip ci]

---
 README.md      |  2 +-
 mithril.js     |  3 +-
 mithril.min.js | 78 +++++++++++++++++++++++++-------------------------
 3 files changed, 41 insertions(+), 42 deletions(-)

diff --git a/README.md b/README.md
index f748cef7..71c22280 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 -->7.40 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 -->7.41 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 7fdbec3a..a81fa58e 100644
--- a/mithril.js
+++ b/mithril.js
@@ -467,7 +467,6 @@ var _13 = function($window) {
 			else {
 				var recycling = isRecyclable(old, vnodes)
 				if (recycling) old = old.concat(old.pool)
-				
 				var oldStart = 0, start = 0, oldEnd = old.length - 1, end = vnodes.length - 1, map
 				while (oldEnd >= oldStart && end >= start) {
 					var o = old[oldStart], v = vnodes[start]
@@ -677,7 +676,7 @@ var _13 = function($window) {
 			var content = children[0].children
 			if (vnode.dom.innerHTML !== content) vnode.dom.innerHTML = content
 		}
-		else if (children != null || vnode.text != null) throw new Error("Child node of a contenteditable must be trusted")
+		else if (vnode.text != null || children != null && children.length !== 0) throw new Error("Child node of a contenteditable must be trusted")
 	}
 	//remove
 	function removeNodes(vnodes, start, end, context) {
diff --git a/mithril.min.js b/mithril.min.js
index 41590c4a..044beb36 100644
--- a/mithril.min.js
+++ b/mithril.min.js
@@ -1,40 +1,40 @@
-new function(){function m(a,b,k,e,l,h){return{tag:a,key:b,attrs:k,children:e,text:l,dom:h,domSize:void 0,state:{},events:void 0,instance:void 0,skip:!1}}function t(a){if(null==a||"string"!==typeof a&&null==a.view)throw Error("The selector must be either a string or a component.");if("string"===typeof a&&void 0===H[a]){for(var b,k,e=[],l={};b=O.exec(a);){var h=b[1],v=b[2];""===h&&""!==v?k=v:"#"===h?l.id=v:"."===h?e.push(v):"["===b[3][0]&&((h=b[6])&&(h=h.replace(/\\(["'])/g,"$1").replace(/\\\\/g,"\\")),
-"class"===b[4]?e.push(h):l[b[4]]=h||!0)}0<e.length&&(l.className=e.join(" "));H[a]=function(a,b){var e=!1,h,f,w=a.className||a["class"],n;for(n in l)a[n]=l[n];void 0!==w&&(void 0!==a["class"]&&(a["class"]=void 0,a.className=w),void 0!==l.className&&(a.className=l.className+" "+w));for(n in a)if("key"!==n){e=!0;break}b instanceof Array&&1==b.length&&null!=b[0]&&"#"===b[0].tag?f=b[0].children:h=b;return m(k||"div",a.key,e?a:void 0,h,f,void 0)}}var p;null!=arguments[1]&&("object"!==typeof arguments[1]||
-void 0!==arguments[1].tag||arguments[1]instanceof Array)?e=1:(p=arguments[1],e=2);if(arguments.length===e+1)b=arguments[e]instanceof Array?arguments[e]:[arguments[e]];else for(b=[];e<arguments.length;e++)b.push(arguments[e]);return"string"===typeof a?H[a](p||{},m.normalizeChildren(b)):m(a,p&&p.key,p||{},m.normalizeChildren(b),void 0,void 0)}m.normalize=function(a){return a instanceof Array?m("[",void 0,void 0,m.normalizeChildren(a),void 0,void 0):null!=a&&"object"!==typeof a?m("#",void 0,void 0,a,
+new function(){function m(a,b,k,d,l,h){return{tag:a,key:b,attrs:k,children:d,text:l,dom:h,domSize:void 0,state:{},events:void 0,instance:void 0,skip:!1}}function t(a){if(null==a||"string"!==typeof a&&null==a.view)throw Error("The selector must be either a string or a component.");if("string"===typeof a&&void 0===H[a]){for(var b,k,d=[],l={};b=O.exec(a);){var h=b[1],v=b[2];""===h&&""!==v?k=v:"#"===h?l.id=v:"."===h?d.push(v):"["===b[3][0]&&((h=b[6])&&(h=h.replace(/\\(["'])/g,"$1").replace(/\\\\/g,"\\")),
+"class"===b[4]?d.push(h):l[b[4]]=h||!0)}0<d.length&&(l.className=d.join(" "));H[a]=function(a,b){var d=!1,h,g,w=a.className||a["class"],n;for(n in l)a[n]=l[n];void 0!==w&&(void 0!==a["class"]&&(a["class"]=void 0,a.className=w),void 0!==l.className&&(a.className=l.className+" "+w));for(n in a)if("key"!==n){d=!0;break}b instanceof Array&&1==b.length&&null!=b[0]&&"#"===b[0].tag?g=b[0].children:h=b;return m(k||"div",a.key,d?a:void 0,h,g,void 0)}}var p;null!=arguments[1]&&("object"!==typeof arguments[1]||
+void 0!==arguments[1].tag||arguments[1]instanceof Array)?d=1:(p=arguments[1],d=2);if(arguments.length===d+1)b=arguments[d]instanceof Array?arguments[d]:[arguments[d]];else for(b=[];d<arguments.length;d++)b.push(arguments[d]);return"string"===typeof a?H[a](p||{},m.normalizeChildren(b)):m(a,p&&p.key,p||{},m.normalizeChildren(b),void 0,void 0)}m.normalize=function(a){return a instanceof Array?m("[",void 0,void 0,m.normalizeChildren(a),void 0,void 0):null!=a&&"object"!==typeof a?m("#",void 0,void 0,a,
 void 0,void 0):a};m.normalizeChildren=function(a){for(var b=0;b<a.length;b++)a[b]=m.normalize(a[b]);return a};var O=/(?:(^|#|\.)([^#\.\[\]]+))|(\[(.+?)(?:\s*=\s*("|'|)((?:\\["'\]]|.)*?)\5)?\])/g,H={};t.trust=function(a){null==a&&(a="");return m("<",void 0,void 0,a,void 0,void 0)};t.fragment=function(a,b){return m("[",a.key,a,m.normalizeChildren(b),void 0,void 0)};var y=function(a){function b(a,b){return function w(n){var u;try{if(!b||null==n||"object"!==typeof n&&"function"!==typeof n||"function"!==
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