Escape the class arg in wp_list_categories. props hakre, fixes #11514.
git-svn-id: https://develop.svn.wordpress.org/trunk@16341 602fd350-edb4-49c9-b593-d223f7449a82
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@ -438,7 +438,7 @@ function wp_list_categories( $args = '' ) {
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$output = '';
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if ( $title_li && 'list' == $style )
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$output = '<li class="' . $class . '">' . $title_li . '<ul>';
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$output = '<li class="' . esc_attr( $class ) . '">' . $title_li . '<ul>';
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if ( empty( $categories ) ) {
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if ( ! empty( $show_option_none ) ) {
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