id	summary	reporter	owner	description	type	status	priority	milestone	component	version	severity	resolution	keywords	cc
9466	Drop %tag% support in permalinks	gashek		"function get_permalink($id = 0, $leavename = false) not support %tag%

My variant this function:
function get_permalink($id = 0, $leavename = false) {
	$rewritecode = array(
		'%year%',
		'%monthnum%',
		'%day%',
		'%hour%',
		'%minute%',
		'%second%',
		$leavename? '' : '%postname%',
		'%post_id%',
		'%category%',
    '%tag%',
		'%author%',
		$leavename? '' : '%pagename%',
	);

	if ( is_object($id) && isset($id->filter) && 'sample' == $id->filter )
		$post = $id;
	else
		$post = &get_post($id);

	if ( empty($post->ID) ) return false;

	if ( $post->post_type == 'page' )
		return get_page_link($post->ID, $leavename);
	elseif ($post->post_type == 'attachment')
		return get_attachment_link($post->ID);

	$permalink = get_option('permalink_structure');

	if ( '' != $permalink && !in_array($post->post_status, array('draft', 'pending')) ) {
		$unixtime = strtotime($post->post_date);

		$category = '';
		if ( strpos($permalink, '%category%') !== false ) {
			$cats = get_the_category($post->ID);
			if ( $cats ) {
				usort($cats, '_usort_terms_by_ID'); // order by ID
				$category = $cats[0]->slug;
				if ( $parent = $cats[0]->parent )
					$category = get_category_parents($parent, false, '/', true) . $category;
			}
			// show default category in permalinks, without
			// having to assign it explicitly
			if ( empty($category) ) {
				$default_category = get_category( get_option( 'default_category' ) );
				$category = is_wp_error( $default_category ) ? '' : $default_category->slug;
			}
		}
    
     // add tag to permalink
     $tag = '';
		if ( strpos($permalink, '%tag%') !== false ) {
     $tags = get_the_tags($post->ID);
			if ( !empty( $tags ) ) {
        usort($tags, '_usort_terms_by_ID'); // order by ID
				$tag = $tags[0]->slug;
			}
		}

		$author = '';
		if ( strpos($permalink, '%author%') !== false ) {
			$authordata = get_userdata($post->post_author);
			$author = $authordata->user_nicename;
		}

		$date = explode("" "",date('Y m d H i s', $unixtime));
		$rewritereplace =
		array(
			$date[0],
			$date[1],
			$date[2],
			$date[3],
			$date[4],
			$date[5],
			$post->post_name,
			$post->ID,
			$category,
                        $tag,
			$author,
			$post->post_name,
		);
		$permalink = get_option('home') . str_replace($rewritecode, $rewritereplace, $permalink);
		$permalink = user_trailingslashit($permalink, 'single');
		return apply_filters('post_link', $permalink, $post, $leavename);
	} else { // if they're not using the fancy permalink option
		$permalink = get_option('home') . '/?p=' . $post->ID;
		return apply_filters('post_link', $permalink, $post, $leavename);
	}
}"	defect (bug)	closed	low		Permalinks	2.7.1	minor	wontfix	needs-patch