Accessibility: Remove the title attribute from the Featured Image postbox thumbnail.
The title attribute is now replaced with plain text in a `howto` paragraph, as done for example in the Tags postbox. Adds an `aria-describedby` attribute on the thumbnail link to target the description. Also, fixes the focus style on the featured image thumbnail. Fixes #35076. Built from https://develop.svn.wordpress.org/trunk@36000 git-svn-id: http://core.svn.wordpress.org/trunk@35965 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@@ -1380,11 +1380,10 @@ function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
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$post = get_post( $post );
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$post_type_object = get_post_type_object( $post->post_type );
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$set_thumbnail_link = '<p class="hide-if-no-js"><a title="%s" href="%s" id="set-post-thumbnail" class="thickbox">%s</a></p>';
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$set_thumbnail_link = '<p class="hide-if-no-js"><a href="%s" id="set-post-thumbnail" aria-describedby="set-post-thumbnail-desc" class="thickbox">%s</a></p>';
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$upload_iframe_src = get_upload_iframe_src( 'image', $post->ID );
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$content = sprintf( $set_thumbnail_link,
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esc_attr( $post_type_object->labels->set_featured_image ),
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esc_url( $upload_iframe_src ),
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esc_html( $post_type_object->labels->set_featured_image )
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);
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@@ -1416,10 +1415,10 @@ function _wp_post_thumbnail_html( $thumbnail_id = null, $post = null ) {
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if ( !empty( $thumbnail_html ) ) {
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$ajax_nonce = wp_create_nonce( 'set_post_thumbnail-' . $post->ID );
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$content = sprintf( $set_thumbnail_link,
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esc_attr( $post_type_object->labels->set_featured_image ),
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esc_url( $upload_iframe_src ),
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$thumbnail_html
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);
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$content .= '<p class="hide-if-no-js howto" id="set-post-thumbnail-desc">' . __( 'Click the image to edit or update' ) . '</p>';
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$content .= '<p class="hide-if-no-js"><a href="#" id="remove-post-thumbnail" onclick="WPRemoveThumbnail(\'' . $ajax_nonce . '\');return false;">' . esc_html( $post_type_object->labels->remove_featured_image ) . '</a></p>';
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}
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}
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