WordPress/wp-content/themes/twentyeleven/content-single.php

<?php
/**
 * @package WordPress
 * @subpackage Twenty Eleven
 */
?>

<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
	<header class="entry-header">
		<h1 class="entry-title"><?php the_title(); ?></h1>

		<div class="entry-meta">
			<?php
				printf( __( '<span class="sep">Posted on </span><a href="%1$s" rel="bookmark"><time class="entry-date" datetime="%2$s" pubdate>%3$s</time></a> <span class="sep"> by </span> <span class="author vcard"><a class="url fn n" href="%4$s" title="%5$s">%6$s</a></span>', 'twentyeleven' ),
					get_permalink(),
					get_the_date( 'c' ),
					get_the_date(),
					get_author_posts_url( get_the_author_meta( 'ID' ) ),
					sprintf( esc_attr__( 'View all posts by %s', 'twentyeleven' ), get_the_author() ),
					get_the_author()
				);
			?>
		</div><!-- .entry-meta -->
	</header><!-- .entry-header -->

	<div class="entry-content">
		<?php the_content(); ?>
		<?php wp_link_pages( array( 'before' => '<div class="page-link">' . __( '<span>Pages:</span>', 'twentyeleven' ), 'after' => '</div>' ) ); ?>
	</div><!-- .entry-content -->

	<footer class="entry-meta">
		<?php
			$tag_list = get_the_tag_list( '', ', ' );
			if ( '' != $tag_list ) {
				$utility_text = __( 'This entry was posted in %1$s and tagged %2$s by <a href="%6$s">%5$s</a>. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyeleven' );
			} else {
				$utility_text = __( 'This entry was posted in %1$s by <a href="%6$s">%5$s</a>. Bookmark the <a href="%3$s" title="Permalink to %4$s" rel="bookmark">permalink</a>.', 'twentyeleven' );
			}
			printf(
				$utility_text,
				get_the_category_list( ', ' ),
				$tag_list,
				get_permalink(),
				the_title_attribute( 'echo=0' ),
				get_the_author(),
				get_author_posts_url( get_the_author_meta( 'ID' ) )
			);
		?>
		<?php edit_post_link( __( 'Edit', 'twentyeleven' ), '<span class="edit-link">', '</span>' ); ?>

		<?php if ( get_the_author_meta( 'description' ) ) : // If a user has filled out their description, show a bio on their entries ?>
		<div id="author-info">
			<div id="author-avatar">
				<?php echo get_avatar( get_the_author_meta( 'user_email' ), apply_filters( 'twentyeleven_author_bio_avatar_size', 68 ) ); ?>
			</div><!-- #author-avatar -->
			<div id="author-description">
				<h2><?php printf( esc_attr__( 'About %s', 'twentyeleven' ), get_the_author() ); ?></h2>
				<?php the_author_meta( 'description' ); ?>
				<div id="author-link">
					<a href="<?php echo get_author_posts_url( get_the_author_meta( 'ID' ) ); ?>">
						<?php printf( __( 'View all posts by %s <span class="meta-nav">&rarr;</span>', 'twentyeleven' ), get_the_author() ); ?>
					</a>
				</div><!-- #author-link	-->
			</div><!-- #author-description -->
		</div><!-- #entry-author-info -->
		<?php endif; ?>
	</footer><!-- .entry-meta -->
</article><!-- #post-<?php the_ID(); ?> -->