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Script Loader: Introduce HTML5 support for scripts and styles.

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When a theme declares HTML5 support for script and styles via `add_theme_support( 'html5', array( 'script', 'style' ) )`, the `type="text/javascript"` and `type="text/css"` attributes are omitted.

These attributes are unnecessary in HTML5 and cause warnings in the W3C Markup Validation Service.

Props sasiddiqui, swissspidy, knutsp, SergeyBiryukov.
See #42804.

git-svn-id: https://develop.svn.wordpress.org/trunk@46164 602fd350-edb4-49c9-b593-d223f7449a82
This commit is contained in:
Sergey Biryukov
2019-09-18 14:49:30 +00:00
parent 0dbd752500
commit 5fdf48c0ec
13 changed files with 173 additions and 47 deletions
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6
src/wp-includes/embed.php
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@@ -1000,8 +1000,9 @@ function enqueue_embed_scripts() {
* @since 4.4.0
*/
function print_embed_styles() {
$type_attr = current_theme_supports( 'html5', 'style' ) ? '' : ' type="text/css"';
?>
<style type="text/css">
<style<?php echo $type_attr; ?>>
<?php
if ( SCRIPT_DEBUG ) {
readfile( ABSPATH . WPINC . '/css/wp-embed-template.css' );
@@ -1031,8 +1032,9 @@ function print_embed_styles() {
* @since 4.4.0
*/
function print_embed_scripts() {
$type_attr = current_theme_supports( 'html5', 'script' ) ? '' : ' type="text/javascript"';
?>
<script type="text/javascript">
<script<?php echo $type_attr; ?>>
<?php
if ( SCRIPT_DEBUG ) {
readfile( ABSPATH . WPINC . '/js/wp-embed-template.js' );