Twenty Twelve: Remove IE specific checks

src/wp-content/themes/twentytwelve/css/ie.css

@@ -1,273 +1 @@
-/*
-Styles for older IE versions (previous to IE9).
-*/
-
-body {
-	background-color: #e6e6e6;
-}
-body.custom-background-empty {
-	background-color: #fff;
-}
-body.custom-background-empty .site,
-body.custom-background-white .site {
-	box-shadow: none;
-	margin-bottom: 0;
-	margin-top: 0;
-	padding: 0;
-}
-.assistive-text,
-.site .screen-reader-text {
-	clip: rect(1px 1px 1px 1px);
-}
-.full-width .site-content {
-	float: none;
-	width: 100%;
-}
-img.size-full,
-img.size-large,
-img.header-image,
-img.wp-post-image,
-img[class*="align"],
-img[class*="wp-image-"],
-img[class*="attachment-"] {
-	width: auto; /* Prevent stretching of full-size and large-size images with height and width attributes in IE8 */
-}
-.author-avatar {
-	float: left;
-	margin-top: 8px;
-	margin-top: 0.571428571rem;
-}
-.author-description {
-	float: right;
-	width: 80%;
-}
-.site {
-	box-shadow: 0 2px 6px rgba(100, 100, 100, 0.3);
-	margin: 48px auto;
-	max-width: 960px;
-	overflow: hidden;
-	padding: 0 40px;
-}
-.site-content {
-	float: left;
-	width: 65.104166667%;
-}
-body.template-front-page .site-content,
-body.attachment .site-content,
-body.full-width .site-content {
-	width: 100%;
-}
-.widget-area {
-	float: right;
-	width: 26.041666667%;
-}
-.site-header h1,
-.site-header h2 {
-	text-align: left;
-}
-.site-header h1 {
-	font-size: 26px;
-	line-height: 1.846153846;
-}
-.main-navigation ul.nav-menu,
-.main-navigation div.nav-menu > ul {
-	border-bottom: 1px solid #ededed;
-	border-top: 1px solid #ededed;
-	display: inline-block !important;
-	text-align: left;
-	width: 100%;
-}
-.main-navigation ul {
-	margin: 0;
-	text-indent: 0;
-}
-.main-navigation li a,
-.main-navigation li {
-	display: inline-block;
-	text-decoration: none;
-}
-.ie7 .main-navigation li a,
-.ie7 .main-navigation li {
-	display: inline;
-}
-.main-navigation li a {
-	border-bottom: 0;
-	color: #6a6a6a;
-	line-height: 3.692307692;
-	text-transform: uppercase;
-}
-.main-navigation li a:hover {
-	color: #000;
-}
-.main-navigation li {
-	margin: 0 40px 0 0;
-	position: relative;
-}
-.main-navigation li ul {
-	margin: 0;
-	padding: 0;
-	position: absolute;
-	top: 100%;
-	z-index: 99999;
-	height: 1px;
-	width: 1px;
-	overflow: hidden;
-	clip: rect(1px, 1px, 1px, 1px);
-}
-.ie7 .main-navigation li ul {
-	clip: inherit;
-	display: none;
-	left: 0;
-	overflow: visible;
-}
-.main-navigation li ul ul,
-.ie7 .main-navigation li ul ul {
-	top: 0;
-	left: 100%;
-}
-.main-navigation ul li:hover > ul,
-.main-navigation ul li:focus > ul,
-.main-navigation .focus > ul {
-	border-left: 0;
-	clip: inherit;
-	overflow: inherit;
-	height: inherit;
-	width: inherit;
-}
-.ie7 .main-navigation ul li:hover > ul,
-.ie7 .main-navigation ul li:focus > ul {
-	display: block;
-}
-.main-navigation li ul li a {
-	background: #efefef;
-	border-bottom: 1px solid #ededed;
-	display: block;
-	font-size: 11px;
-	line-height: 2.181818182;
-	padding: 8px 10px;
-	width: 180px;
-}
-.main-navigation li ul li a:hover {
-	background: #e3e3e3;
-	color: #444;
-}
-.main-navigation .current-menu-item > a,
-.main-navigation .current-menu-ancestor > a,
-.main-navigation .current_page_item > a,
-.main-navigation .current_page_ancestor > a {
-	color: #636363;
-	font-weight: bold;
-}
-.main-navigation .menu-toggle {
-	display: none;
-}
-.entry-header .entry-title {
-	font-size: 22px;
-}
-#respond form input[type="text"] {
-	width: 46.333333333%;
-}
-#respond form textarea.blog-textarea {
-	width: 79.666666667%;
-}
-.template-front-page .site-content,
-.template-front-page article {
-	overflow: hidden;
-}
-.template-front-page.has-post-thumbnail article {
-	float: left;
-	width: 47.916666667%;
-}
-.entry-page-image {
-	float: right;
-	margin-bottom: 0;
-	width: 47.916666667%;
-}
-/* IE Front Page Template Widget fix */
-.template-front-page .widget-area {
-	clear: both;
-}
-.template-front-page .widget {
-	width: 100% !important;
-	border: none;
-}
-.template-front-page .widget-area .widget,
-.template-front-page .first.front-widgets,
-.template-front-page.two-sidebars .widget-area .front-widgets {
-	float: left;
-	margin-bottom: 24px;
-	width: 51.875%;
-}
-.template-front-page .second.front-widgets,
-.template-front-page .widget-area .widget:nth-child(odd) {
-	clear: right;
-}
-.template-front-page .first.front-widgets,
-.template-front-page .second.front-widgets,
-.template-front-page.two-sidebars .widget-area .front-widgets + .front-widgets {
-	float: right;
-	margin: 0 0 24px;
-	width: 39.0625%;
-}
-.template-front-page.two-sidebars .widget,
-.template-front-page.two-sidebars .widget:nth-child(even) {
-	float: none;
-	width: auto;
-}
-/* add input font for <IE9 Password Box to make the bullets show up */
-input[type="password"] {
-	font-family: Helvetica, Arial, sans-serif;
-}
-
-/* RTL overrides for IE7 and IE8
--------------------------------------------------------------- */
-.rtl .site-header h1,
-.rtl .site-header h2 {
-	text-align: right;
-}
-.rtl .widget-area,
-.rtl .author-description {
-	float: left;
-}
-.rtl .author-avatar,
-.rtl .site-content {
-	float: right;
-}
-.rtl .main-navigation ul.nav-menu,
-.rtl .main-navigation div.nav-menu > ul {
-	text-align: right;
-}
-.rtl .main-navigation ul li ul li,
-.rtl .main-navigation ul li ul li ul li {
-	margin-left: 40px;
-	margin-right: auto;
-}
-.rtl .main-navigation li ul ul {
-	position: absolute;
-	bottom: 0;
-	right: 100%;
-	z-index: 1;
-}
-.ie7 .rtl .main-navigation li ul ul {
-	position: absolute;
-	bottom: 0;
-	right: 100%;
-	z-index: 1;
-}
-.ie7 .rtl .main-navigation ul li {
-	z-index: 99;
-}
-.ie7 .rtl .main-navigation li ul {
-	position: absolute;
-	bottom: 100%;
-	right: 0;
-	z-index: 1;
-}
-.ie7 .rtl .main-navigation li {
-	margin-right: auto;
-	margin-left: 40px;
-}
-.ie7 .rtl .main-navigation li ul ul ul {
-	position: relative;
-	z-index: 1;
-}
+/* This theme does not support Internet Explorer since version 4.7. */

src/wp-content/themes/twentytwelve/editor-style.css

@@ -299,9 +299,6 @@ img,
 	box-shadow: 0 1px 4px rgba(0, 0, 0, 0.2);
 	max-width: 100%;
 }
-img.size-full {
-	width: auto/9; /* Prevent stretching of full-size images in IE8 */
-}
 img[class*="wp-image-"] {
 	height: auto;
 	max-width: 100%;

src/wp-content/themes/twentytwelve/functions.php

@@ -217,9 +217,8 @@ function twentytwelve_scripts_styles() {
 	// Theme block stylesheet.
 	wp_enqueue_style( 'twentytwelve-block-style', get_template_directory_uri() . '/css/blocks.css', array( 'twentytwelve-style' ), '20240812' );
 
-	// Loads the Internet Explorer specific stylesheet.
-	wp_enqueue_style( 'twentytwelve-ie', get_template_directory_uri() . '/css/ie.css', array( 'twentytwelve-style' ), '20240722' );
-	$wp_styles->add_data( 'twentytwelve-ie', 'conditional', 'lt IE 9' );
+	// Register the Internet Explorer specific stylesheet.
+	wp_register_style( 'twentytwelve-ie', false, array( 'twentytwelve-style' ) );
 }
 add_action( 'wp_enqueue_scripts', 'twentytwelve_scripts_styles' );
 

src/wp-content/themes/twentytwelve/header.php

@@ -9,25 +9,13 @@
  * @since Twenty Twelve 1.0
  */
 ?><!DOCTYPE html>
-<!--[if IE 7]>
-<html class="ie ie7" <?php language_attributes(); ?>>
-<![endif]-->
-<!--[if IE 8]>
-<html class="ie ie8" <?php language_attributes(); ?>>
-<![endif]-->
-<!--[if !(IE 7) & !(IE 8)]><!-->
 <html <?php language_attributes(); ?>>
-<!--<![endif]-->
 <head>
 <meta charset="<?php bloginfo( 'charset' ); ?>" />
 <meta name="viewport" content="width=device-width, initial-scale=1.0" />
 <title><?php wp_title( '|', true, 'right' ); ?></title>
 <link rel="profile" href="https://gmpg.org/xfn/11" />
 <link rel="pingback" href="<?php echo esc_url( get_bloginfo( 'pingback_url' ) ); ?>">
-<?php // Loads HTML5 JavaScript file to add support for HTML5 elements in older IE versions. ?>
-<!--[if lt IE 9]>
-<script src="<?php echo esc_url( get_template_directory_uri() ); ?>/js/html5.js?ver=3.7.0" type="text/javascript"></script>
-<![endif]-->
 <?php wp_head(); ?>
 </head>
 

src/wp-content/themes/twentytwelve/js/html5.js

@@ -1,8 +1 @@
-/*
- HTML5 Shiv v3.7.0 | @afarkas @jdalton @jon_neal @rem | MIT/GPL2 Licensed
-*/
-(function(l,f){function m(){var a=e.elements;return"string"==typeof a?a.split(" "):a}function i(a){var b=n[a[o]];b||(b={},h++,a[o]=h,n[h]=b);return b}function p(a,b,c){b||(b=f);if(g)return b.createElement(a);c||(c=i(b));b=c.cache[a]?c.cache[a].cloneNode():r.test(a)?(c.cache[a]=c.createElem(a)).cloneNode():c.createElem(a);return b.canHaveChildren&&!s.test(a)?c.frag.appendChild(b):b}function t(a,b){if(!b.cache)b.cache={},b.createElem=a.createElement,b.createFrag=a.createDocumentFragment,b.frag=b.createFrag();
-a.createElement=function(c){return!e.shivMethods?b.createElem(c):p(c,a,b)};a.createDocumentFragment=Function("h,f","return function(){var n=f.cloneNode(),c=n.createElement;h.shivMethods&&("+m().join().replace(/[\w\-]+/g,function(a){b.createElem(a);b.frag.createElement(a);return'c("'+a+'")'})+");return n}")(e,b.frag)}function q(a){a||(a=f);var b=i(a);if(e.shivCSS&&!j&&!b.hasCSS){var c,d=a;c=d.createElement("p");d=d.getElementsByTagName("head")[0]||d.documentElement;c.innerHTML="x<style>article,aside,dialog,figcaption,figure,footer,header,hgroup,main,nav,section{display:block}mark{background:#FF0;color:#000}template{display:none}</style>";
-c=d.insertBefore(c.lastChild,d.firstChild);b.hasCSS=!!c}g||t(a,b);return a}var k=l.html5||{},s=/^<|^(?:button|map|select|textarea|object|iframe|option|optgroup)$/i,r=/^(?:a|b|code|div|fieldset|h1|h2|h3|h4|h5|h6|i|label|li|ol|p|q|span|strong|style|table|tbody|td|th|tr|ul)$/i,j,o="_html5shiv",h=0,n={},g;(function(){try{var a=f.createElement("a");a.innerHTML="<xyz></xyz>";j="hidden"in a;var b;if(!(b=1==a.childNodes.length)){f.createElement("a");var c=f.createDocumentFragment();b="undefined"==typeof c.cloneNode||
-"undefined"==typeof c.createDocumentFragment||"undefined"==typeof c.createElement}g=b}catch(d){g=j=!0}})();var e={elements:k.elements||"abbr article aside audio bdi canvas data datalist details dialog figcaption figure footer header hgroup main mark meter nav output progress section summary template time video",version:"3.7.0",shivCSS:!1!==k.shivCSS,supportsUnknownElements:g,shivMethods:!1!==k.shivMethods,type:"default",shivDocument:q,createElement:p,createDocumentFragment:function(a,b){a||(a=f);
-if(g)return a.createDocumentFragment();for(var b=b||i(a),c=b.frag.cloneNode(),d=0,e=m(),h=e.length;d<h;d++)c.createElement(e[d]);return c}};l.html5=e;q(f)})(this,document);
+// This theme does not support Internet Explorer since version 4.7.

src/wp-content/themes/twentytwelve/readme.txt

@@ -38,10 +38,6 @@ GNU General Public License for more details.
 
 Twenty Twelve Theme bundles the following third-party resources:
 
-HTML5 Shiv v3.7.0, Copyright 2014 Alexander Farkas
-Licenses: MIT/GPL2
-Source: https://github.com/aFarkas/html5shiv
-
 Open Sans Font
 Copyright 2020 The Open Sans Project Authors (https://github.com/googlefonts/opensans)
 License: SIL Open Font License, 1.1, https://opensource.org/licenses/OFL-1.1