diff --git a/wp-admin/js/editor.js b/wp-admin/js/editor.js
index 0712ebc1ae..0b3e04b2cd 100644
--- a/wp-admin/js/editor.js
+++ b/wp-admin/js/editor.js
@@ -76,6 +76,7 @@ window.switchEditors = {
 
 			DOM.removeClass( wrap_id, 'html-active' );
 			DOM.addClass( wrap_id, 'tmce-active' );
+			DOM.setAttrib( txtarea_el, 'aria-hidden', true );
 			setUserSetting( 'editor', 'tinymce' );
 
 		} else if ( 'html' === mode ) {
@@ -112,6 +113,7 @@ window.switchEditors = {
 
 			DOM.removeClass( wrap_id, 'tmce-active' );
 			DOM.addClass( wrap_id, 'html-active' );
+			DOM.setAttrib( txtarea_el, 'aria-hidden', false );
 			setUserSetting( 'editor', 'html' );
 		}
 		return false;
diff --git a/wp-admin/js/editor.min.js b/wp-admin/js/editor.min.js
index fd5e97c5ca..0b2ce5d1d0 100644
--- a/wp-admin/js/editor.min.js
+++ b/wp-admin/js/editor.min.js
@@ -1 +1 @@
-window.switchEditors={switchto:function(a){var b=a.id,c=b.length,d=b.substr(0,c-5),e=b.substr(c-4);this.go(d,e)},go:function(a,b){function c(){var a=k.select(".mce-toolbar-grp",d.getContainer())[0],b=a&&a.clientHeight;return b&&b>10&&200>b?parseInt(b,10):30}var d,e,f,g,h,i,j=this,k=tinymce.DOM;if(a=a||"content",b=b||"toggle",d=tinymce.get(a),e="wp-"+a+"-wrap",f=k.get(a),"toggle"===b&&(b=d&&!d.isHidden()?"html":"tmce"),"tmce"===b||"tinymce"===b){if(d&&!d.isHidden())return!1;"undefined"!=typeof QTags&&QTags.closeAllTags(a),h=f?parseInt(f.style.height,10):0,tinyMCEPreInit.mceInit[a]&&tinyMCEPreInit.mceInit[a].wpautop&&(f.value=j.wpautop(f.value)),d?(d.show(),!tinymce.Env.iOS&&h&&(i=c(),h=h-i+14,h>50&&5e3>h&&d.theme.resizeTo(null,h))):tinymce.init(tinyMCEPreInit.mceInit[a]),k.removeClass(e,"html-active"),k.addClass(e,"tmce-active"),setUserSetting("editor","tinymce")}else if("html"===b){if(d&&d.isHidden())return!1;d?(tinymce.Env.iOS||(g=k.get(a+"_ifr"),h=g?parseInt(g.style.height,10):0,h&&(i=c(),h=h+i-14,h>50&&5e3>h&&(f.style.height=h+"px"))),d.hide()):(tinyMCEPreInit.mceInit[a]&&tinyMCEPreInit.mceInit[a].wpautop&&(f.value=j.pre_wpautop(f.value)),k.setStyles(f,{display:"",visibility:""})),k.removeClass(e,"tmce-active"),k.addClass(e,"html-active"),setUserSetting("editor","html")}return!1},_wp_Nop:function(a){var b,c,d=!1,e=!1;return(-1!==a.indexOf("<pre")||-1!==a.indexOf("<script"))&&(d=!0,a=a.replace(/<(pre|script)[^>]*>[\s\S]+?<\/\1>/g,function(a){return a=a.replace(/<br ?\/?>(\r\n|\n)?/g,"<wp-line-break>"),a=a.replace(/<\/?p( [^>]*)?>(\r\n|\n)?/g,"<wp-line-break>"),a.replace(/\r?\n/g,"<wp-line-break>")})),-1!==a.indexOf("[caption")&&(e=!0,a=a.replace(/\[caption[\s\S]+?\[\/caption\]/g,function(a){return a.replace(/<br([^>]*)>/g,"<wp-temp-br$1>").replace(/[\r\n\t]+/,"")})),b="blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|div|h[1-6]|p|fieldset",a=a.replace(new RegExp("\\s*</("+b+")>\\s*","g"),"</$1>\n"),a=a.replace(new RegExp("\\s*<((?:"+b+")(?: [^>]*)?)>","g"),"\n<$1>"),a=a.replace(/(<p [^>]+>.*?)<\/p>/g,"$1</p#>"),a=a.replace(/<div( [^>]*)?>\s*<p>/gi,"<div$1>\n\n"),a=a.replace(/\s*<p>/gi,""),a=a.replace(/\s*<\/p>\s*/gi,"\n\n"),a=a.replace(/\n[\s\u00a0]+\n/g,"\n\n"),a=a.replace(/\s*<br ?\/?>\s*/gi,"\n"),a=a.replace(/\s*<div/g,"\n<div"),a=a.replace(/<\/div>\s*/g,"</div>\n"),a=a.replace(/\s*\[caption([^\[]+)\[\/caption\]\s*/gi,"\n\n[caption$1[/caption]\n\n"),a=a.replace(/caption\]\n\n+\[caption/g,"caption]\n\n[caption"),c="blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|h[1-6]|pre|fieldset",a=a.replace(new RegExp("\\s*<((?:"+c+")(?: [^>]*)?)\\s*>","g"),"\n<$1>"),a=a.replace(new RegExp("\\s*</("+c+")>\\s*","g"),"</$1>\n"),a=a.replace(/<li([^>]*)>/g,"	<li$1>"),-1!==a.indexOf("<option")&&(a=a.replace(/\s*<option/g,"\n<option"),a=a.replace(/\s*<\/select>/g,"\n</select>")),-1!==a.indexOf("<hr")&&(a=a.replace(/\s*<hr( [^>]*)?>\s*/g,"\n\n<hr$1>\n\n")),-1!==a.indexOf("<object")&&(a=a.replace(/<object[\s\S]+?<\/object>/g,function(a){return a.replace(/[\r\n]+/g,"")})),a=a.replace(/<\/p#>/g,"</p>\n"),a=a.replace(/\s*(<p [^>]+>[\s\S]*?<\/p>)/g,"\n$1"),a=a.replace(/^\s+/,""),a=a.replace(/[\s\u00a0]+$/,""),d&&(a=a.replace(/<wp-line-break>/g,"\n")),e&&(a=a.replace(/<wp-temp-br([^>]*)>/g,"<br$1>")),a},_wp_Autop:function(a){var b=!1,c=!1,d="table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|details|menu|summary";return-1!==a.indexOf("<object")&&(a=a.replace(/<object[\s\S]+?<\/object>/g,function(a){return a.replace(/[\r\n]+/g,"")})),a=a.replace(/<[^<>]+>/g,function(a){return a.replace(/[\r\n]+/g," ")}),(-1!==a.indexOf("<pre")||-1!==a.indexOf("<script"))&&(b=!0,a=a.replace(/<(pre|script)[^>]*>[\s\S]+?<\/\1>/g,function(a){return a.replace(/(\r\n|\n)/g,"<wp-line-break>")})),-1!==a.indexOf("[caption")&&(c=!0,a=a.replace(/\[caption[\s\S]+?\[\/caption\]/g,function(a){return a=a.replace(/<br([^>]*)>/g,"<wp-temp-br$1>"),a=a.replace(/<[a-zA-Z0-9]+( [^<>]+)?>/g,function(a){return a.replace(/[\r\n\t]+/," ")}),a.replace(/\s*\n\s*/g,"<wp-temp-br />")})),a+="\n\n",a=a.replace(/<br \/>\s*<br \/>/gi,"\n\n"),a=a.replace(new RegExp("(<(?:"+d+")(?: [^>]*)?>)","gi"),"\n$1"),a=a.replace(new RegExp("(</(?:"+d+")>)","gi"),"$1\n\n"),a=a.replace(/<hr( [^>]*)?>/gi,"<hr$1>\n\n"),a=a.replace(/\s*<option/gi,"<option"),a=a.replace(/<\/option>\s*/gi,"</option>"),a=a.replace(/\r\n|\r/g,"\n"),a=a.replace(/\n\s*\n+/g,"\n\n"),a=a.replace(/([\s\S]+?)\n\n/g,"<p>$1</p>\n"),a=a.replace(/<p>\s*?<\/p>/gi,""),a=a.replace(new RegExp("<p>\\s*(</?(?:"+d+")(?: [^>]*)?>)\\s*</p>","gi"),"$1"),a=a.replace(/<p>(<li.+?)<\/p>/gi,"$1"),a=a.replace(/<p>\s*<blockquote([^>]*)>/gi,"<blockquote$1><p>"),a=a.replace(/<\/blockquote>\s*<\/p>/gi,"</p></blockquote>"),a=a.replace(new RegExp("<p>\\s*(</?(?:"+d+")(?: [^>]*)?>)","gi"),"$1"),a=a.replace(new RegExp("(</?(?:"+d+")(?: [^>]*)?>)\\s*</p>","gi"),"$1"),a=a.replace(/\s*\n/gi,"<br />\n"),a=a.replace(new RegExp("(</?(?:"+d+")[^>]*>)\\s*<br />","gi"),"$1"),a=a.replace(/<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi,"$1"),a=a.replace(/(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi,"[caption$1[/caption]"),a=a.replace(/(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g,function(a,b,c){return c.match(/<p( [^>]*)?>/)?a:b+"<p>"+c+"</p>"}),b&&(a=a.replace(/<wp-line-break>/g,"\n")),c&&(a=a.replace(/<wp-temp-br([^>]*)>/g,"<br$1>")),a},pre_wpautop:function(a){var b=this,c={o:b,data:a,unfiltered:a},d="undefined"!=typeof jQuery;return d&&jQuery("body").trigger("beforePreWpautop",[c]),c.data=b._wp_Nop(c.data),d&&jQuery("body").trigger("afterPreWpautop",[c]),c.data},wpautop:function(a){var b=this,c={o:b,data:a,unfiltered:a},d="undefined"!=typeof jQuery;return d&&jQuery("body").trigger("beforeWpautop",[c]),c.data=b._wp_Autop(c.data),d&&jQuery("body").trigger("afterWpautop",[c]),c.data}};
\ No newline at end of file
+window.switchEditors={switchto:function(a){var b=a.id,c=b.length,d=b.substr(0,c-5),e=b.substr(c-4);this.go(d,e)},go:function(a,b){function c(){var a=k.select(".mce-toolbar-grp",d.getContainer())[0],b=a&&a.clientHeight;return b&&b>10&&200>b?parseInt(b,10):30}var d,e,f,g,h,i,j=this,k=tinymce.DOM;if(a=a||"content",b=b||"toggle",d=tinymce.get(a),e="wp-"+a+"-wrap",f=k.get(a),"toggle"===b&&(b=d&&!d.isHidden()?"html":"tmce"),"tmce"===b||"tinymce"===b){if(d&&!d.isHidden())return!1;"undefined"!=typeof QTags&&QTags.closeAllTags(a),h=f?parseInt(f.style.height,10):0,tinyMCEPreInit.mceInit[a]&&tinyMCEPreInit.mceInit[a].wpautop&&(f.value=j.wpautop(f.value)),d?(d.show(),!tinymce.Env.iOS&&h&&(i=c(),h=h-i+14,h>50&&5e3>h&&d.theme.resizeTo(null,h))):tinymce.init(tinyMCEPreInit.mceInit[a]),k.removeClass(e,"html-active"),k.addClass(e,"tmce-active"),k.setAttrib(f,"aria-hidden",!0),setUserSetting("editor","tinymce")}else 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a.replace(/<br([^>]*)>/g,"<wp-temp-br$1>").replace(/[\r\n\t]+/,"")})),b="blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|div|h[1-6]|p|fieldset",a=a.replace(new RegExp("\\s*</("+b+")>\\s*","g"),"</$1>\n"),a=a.replace(new RegExp("\\s*<((?:"+b+")(?: [^>]*)?)>","g"),"\n<$1>"),a=a.replace(/(<p [^>]+>.*?)<\/p>/g,"$1</p#>"),a=a.replace(/<div( [^>]*)?>\s*<p>/gi,"<div$1>\n\n"),a=a.replace(/\s*<p>/gi,""),a=a.replace(/\s*<\/p>\s*/gi,"\n\n"),a=a.replace(/\n[\s\u00a0]+\n/g,"\n\n"),a=a.replace(/\s*<br ?\/?>\s*/gi,"\n"),a=a.replace(/\s*<div/g,"\n<div"),a=a.replace(/<\/div>\s*/g,"</div>\n"),a=a.replace(/\s*\[caption([^\[]+)\[\/caption\]\s*/gi,"\n\n[caption$1[/caption]\n\n"),a=a.replace(/caption\]\n\n+\[caption/g,"caption]\n\n[caption"),c="blockquote|ul|ol|li|table|thead|tbody|tfoot|tr|th|td|h[1-6]|pre|fieldset",a=a.replace(new RegExp("\\s*<((?:"+c+")(?: [^>]*)?)\\s*>","g"),"\n<$1>"),a=a.replace(new RegExp("\\s*</("+c+")>\\s*","g"),"</$1>\n"),a=a.replace(/<li([^>]*)>/g,"	<li$1>"),-1!==a.indexOf("<option")&&(a=a.replace(/\s*<option/g,"\n<option"),a=a.replace(/\s*<\/select>/g,"\n</select>")),-1!==a.indexOf("<hr")&&(a=a.replace(/\s*<hr( [^>]*)?>\s*/g,"\n\n<hr$1>\n\n")),-1!==a.indexOf("<object")&&(a=a.replace(/<object[\s\S]+?<\/object>/g,function(a){return a.replace(/[\r\n]+/g,"")})),a=a.replace(/<\/p#>/g,"</p>\n"),a=a.replace(/\s*(<p [^>]+>[\s\S]*?<\/p>)/g,"\n$1"),a=a.replace(/^\s+/,""),a=a.replace(/[\s\u00a0]+$/,""),d&&(a=a.replace(/<wp-line-break>/g,"\n")),e&&(a=a.replace(/<wp-temp-br([^>]*)>/g,"<br$1>")),a},_wp_Autop:function(a){var b=!1,c=!1,d="table|thead|tfoot|caption|col|colgroup|tbody|tr|td|th|div|dl|dd|dt|ul|ol|li|pre|form|map|area|blockquote|address|math|style|p|h[1-6]|hr|fieldset|legend|section|article|aside|hgroup|header|footer|nav|figure|details|menu|summary";return-1!==a.indexOf("<object")&&(a=a.replace(/<object[\s\S]+?<\/object>/g,function(a){return a.replace(/[\r\n]+/g,"")})),a=a.replace(/<[^<>]+>/g,function(a){return a.replace(/[\r\n]+/g," ")}),(-1!==a.indexOf("<pre")||-1!==a.indexOf("<script"))&&(b=!0,a=a.replace(/<(pre|script)[^>]*>[\s\S]+?<\/\1>/g,function(a){return a.replace(/(\r\n|\n)/g,"<wp-line-break>")})),-1!==a.indexOf("[caption")&&(c=!0,a=a.replace(/\[caption[\s\S]+?\[\/caption\]/g,function(a){return a=a.replace(/<br([^>]*)>/g,"<wp-temp-br$1>"),a=a.replace(/<[a-zA-Z0-9]+( [^<>]+)?>/g,function(a){return a.replace(/[\r\n\t]+/," ")}),a.replace(/\s*\n\s*/g,"<wp-temp-br />")})),a+="\n\n",a=a.replace(/<br \/>\s*<br \/>/gi,"\n\n"),a=a.replace(new RegExp("(<(?:"+d+")(?: [^>]*)?>)","gi"),"\n$1"),a=a.replace(new RegExp("(</(?:"+d+")>)","gi"),"$1\n\n"),a=a.replace(/<hr( [^>]*)?>/gi,"<hr$1>\n\n"),a=a.replace(/\s*<option/gi,"<option"),a=a.replace(/<\/option>\s*/gi,"</option>"),a=a.replace(/\r\n|\r/g,"\n"),a=a.replace(/\n\s*\n+/g,"\n\n"),a=a.replace(/([\s\S]+?)\n\n/g,"<p>$1</p>\n"),a=a.replace(/<p>\s*?<\/p>/gi,""),a=a.replace(new RegExp("<p>\\s*(</?(?:"+d+")(?: [^>]*)?>)\\s*</p>","gi"),"$1"),a=a.replace(/<p>(<li.+?)<\/p>/gi,"$1"),a=a.replace(/<p>\s*<blockquote([^>]*)>/gi,"<blockquote$1><p>"),a=a.replace(/<\/blockquote>\s*<\/p>/gi,"</p></blockquote>"),a=a.replace(new RegExp("<p>\\s*(</?(?:"+d+")(?: [^>]*)?>)","gi"),"$1"),a=a.replace(new RegExp("(</?(?:"+d+")(?: [^>]*)?>)\\s*</p>","gi"),"$1"),a=a.replace(/\s*\n/gi,"<br />\n"),a=a.replace(new RegExp("(</?(?:"+d+")[^>]*>)\\s*<br />","gi"),"$1"),a=a.replace(/<br \/>(\s*<\/?(?:p|li|div|dl|dd|dt|th|pre|td|ul|ol)>)/gi,"$1"),a=a.replace(/(?:<p>|<br ?\/?>)*\s*\[caption([^\[]+)\[\/caption\]\s*(?:<\/p>|<br ?\/?>)*/gi,"[caption$1[/caption]"),a=a.replace(/(<(?:div|th|td|form|fieldset|dd)[^>]*>)(.*?)<\/p>/g,function(a,b,c){return c.match(/<p( [^>]*)?>/)?a:b+"<p>"+c+"</p>"}),b&&(a=a.replace(/<wp-line-break>/g,"\n")),c&&(a=a.replace(/<wp-temp-br([^>]*)>/g,"<br$1>")),a},pre_wpautop:function(a){var b=this,c={o:b,data:a,unfiltered:a},d="undefined"!=typeof jQuery;return d&&jQuery("body").trigger("beforePreWpautop",[c]),c.data=b._wp_Nop(c.data),d&&jQuery("body").trigger("afterPreWpautop",[c]),c.data},wpautop:function(a){var b=this,c={o:b,data:a,unfiltered:a},d="undefined"!=typeof jQuery;return d&&jQuery("body").trigger("beforeWpautop",[c]),c.data=b._wp_Autop(c.data),d&&jQuery("body").trigger("afterWpautop",[c]),c.data}};
\ No newline at end of file