twentythirteen_paging_nav()

500	function twentythirteen_paging_nav() {501		global $wp_query;502 503		// Don't print empty markup if there's only one page.504		if ( $wp_query->max_num_pages < 2 ) {505			return;506		}507 508		$order   = get_query_var( 'order', 'DESC' );509		$is_desc = 'DESC' === $order;510 511		$new_posts_text = __( 'Newer posts <span class="meta-nav">&rarr;</span>', 'twentythirteen' );512		$old_posts_text = __( '<span class="meta-nav">&larr;</span> Older posts', 'twentythirteen' );513 514		$prev_link = $is_desc ? get_next_posts_link( $old_posts_text ) : get_previous_posts_link( $old_posts_text );515		$next_link = $is_desc ? get_previous_posts_link( $new_posts_text ) : get_next_posts_link( $new_posts_text );516		?>517 518		<nav class="navigation paging-navigation">519		<h1 class="screen-reader-text">520			<?php521			/* translators: Hidden accessibility text. */522			_e( 'Posts navigation', 'twentythirteen' );523			?>524		</h1>525		<div class="nav-links">526		<?php if ( $prev_link ) : ?>527			<div class="nav-previous">528				<?php echo $prev_link; ?>529			</div>530			<?php531		endif;532 533		if ( $next_link ) :534			?>535			<div class="nav-next">536				<?php echo $next_link; ?>537			</div>538		<?php endif; ?>539 540		</div><!-- .nav-links -->541	</nav><!-- .navigation -->542		<?php543	}