Index: wp-includes/author-template.php
===================================================================
--- wp-includes/author-template.php	(revision 18179)
+++ wp-includes/author-template.php	(working copy)
@@ -206,7 +206,7 @@
 	if ( !is_object( $authordata ) )
 		return false;
 	$link = sprintf(
-		'<a href="%1$s" title="%2$s">%3$s</a>',
+		'<a href="%1$s" title="%2$s" rel="author">%3$s</a>',
 		get_author_posts_url( $authordata->ID, $authordata->user_nicename ),
 		esc_attr( sprintf( __( 'Posts by %s' ), get_the_author() ) ),
 		get_the_author()
Index: wp-content/themes/twentyten/loop-attachment.php
===================================================================
--- wp-content/themes/twentyten/loop-attachment.php	(revision 18179)
+++ wp-content/themes/twentyten/loop-attachment.php	(working copy)
@@ -31,7 +31,7 @@
 						<?php
 							printf( __( '<span class="%1$s">By</span> %2$s', 'twentyten' ),
 								'meta-prep meta-prep-author',
-								sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s">%3$s</a></span>',
+								sprintf( '<span class="author vcard"><a class="url fn n" href="%1$s" title="%2$s" rel="author">%3$s</a></span>',
 									get_author_posts_url( get_the_author_meta( 'ID' ) ),
 									sprintf( esc_attr__( 'View all posts by %s', 'twentyten' ), get_the_author() ),
 									get_the_author()
Index: wp-content/themes/twentyten/loop-single.php
===================================================================
--- wp-content/themes/twentyten/loop-single.php	(revision 18179)
+++ wp-content/themes/twentyten/loop-single.php	(working copy)
@@ -43,7 +43,7 @@
 							<h2><?php printf( esc_attr__( 'About %s', 'twentyten' ), 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' ) ); ?>">
+								<a href="<?php echo get_author_posts_url( get_the_author_meta( 'ID' ) ); ?>" rel="author">
 									<?php printf( __( 'View all posts by %s <span class="meta-nav">&rarr;</span>', 'twentyten' ), get_the_author() ); ?>
 								</a>
 							</div><!-- #author-link	-->
Index: wp-content/themes/twentyeleven/content-single.php
===================================================================
--- wp-content/themes/twentyeleven/content-single.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-single.php	(working copy)
@@ -14,7 +14,7 @@
 
 		<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' ),
+				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$s" rel="author">%6$s</a></span>', 'twentyeleven' ),
 					get_permalink(),
 					get_the_date( 'c' ),
 					get_the_date(),
@@ -62,7 +62,7 @@
 				<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' ) ); ?>">
+					<a href="<?php echo get_author_posts_url( get_the_author_meta( 'ID' ) ); ?>" rel="author">
 						<?php printf( __( 'View all posts by %s <span class="meta-nav">&rarr;</span>', 'twentyeleven' ), get_the_author() ); ?>
 					</a>
 				</div><!-- #author-link	-->
Index: wp-content/themes/twentyeleven/content-aside.php
===================================================================
--- wp-content/themes/twentyeleven/content-aside.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-aside.php	(working copy)
@@ -40,7 +40,7 @@
 
 		<footer 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' ),
+				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$s" rel="author">%6$s</a></span>', 'twentyeleven' ),
 					get_permalink(),
 					get_the_date( 'c' ),
 					get_the_date(),
Index: wp-content/themes/twentyeleven/content-link.php
===================================================================
--- wp-content/themes/twentyeleven/content-link.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-link.php	(working copy)
@@ -40,7 +40,7 @@
 
 		<footer 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' ),
+				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$s" rel="author">%6$s</a></span>', 'twentyeleven' ),
 					get_permalink(),
 					get_the_date( 'c' ),
 					get_the_date(),
Index: wp-content/themes/twentyeleven/content-featured.php
===================================================================
--- wp-content/themes/twentyeleven/content-featured.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-featured.php	(working copy)
@@ -15,7 +15,7 @@
 
 		<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' ),
+				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$s" rel="author">%6$s</a></span>', 'twentyeleven' ),
 					get_permalink(),
 					get_the_date( 'c' ),
 					get_the_date(),
Index: wp-content/themes/twentyeleven/content.php
===================================================================
--- wp-content/themes/twentyeleven/content.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content.php	(working copy)
@@ -22,7 +22,7 @@
 			<?php if ( 'post' == $post->post_type ) : ?>
 			<div class="entry-meta">
 				<?php
-					printf( __( '<span class="sep">Posted on </span><a href="%1$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$s</a></span>', 'twentyeleven' ),
+					printf( __( '<span class="sep">Posted on </span><a href="%1$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" rel="author">%6$s</a></span>', 'twentyeleven' ),
 						get_permalink(),
 						get_the_date( 'c' ),
 						get_the_date(),
Index: wp-content/themes/twentyeleven/content-image.php
===================================================================
--- wp-content/themes/twentyeleven/content-image.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-image.php	(working copy)
@@ -32,7 +32,7 @@
 			<?php if ( 'post' == $post->post_type ) : // Hide category and tag text for pages on Search ?>
 			<div class="entry-meta">
 				<?php
-					printf( __( '<a href="%1$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$s</a></span>', 'twentyeleven' ),
+					printf( __( '<a href="%1$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" rel="author">%6$s</a></span>', 'twentyeleven' ),
 						get_permalink(),
 						get_the_date( 'c' ),
 						get_the_date(),
Index: wp-content/themes/twentyeleven/content-status.php
===================================================================
--- wp-content/themes/twentyeleven/content-status.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-status.php	(working copy)
@@ -41,7 +41,7 @@
 
 		<footer 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' ),
+				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$s" rel="author">%6$s</a></span>', 'twentyeleven' ),
 					get_permalink(),
 					get_the_date( 'c' ),
 					get_the_date(),
Index: wp-content/themes/twentyeleven/content-quote.php
===================================================================
--- wp-content/themes/twentyeleven/content-quote.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-quote.php	(working copy)
@@ -18,7 +18,7 @@
 			<?php if ( 'post' == $post->post_type ) : ?>
 			<div class="entry-meta">
 				<?php
-					printf( __( '<span class="sep">Posted on </span><a href="%1$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$s</a></span>', 'twentyeleven' ),
+					printf( __( '<span class="sep">Posted on </span><a href="%1$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" rel="author">%6$s</a></span>', 'twentyeleven' ),
 						get_permalink(),
 						get_the_date( 'c' ),
 						get_the_date(),
Index: wp-content/themes/twentyeleven/content-gallery.php
===================================================================
--- wp-content/themes/twentyeleven/content-gallery.php	(revision 18179)
+++ wp-content/themes/twentyeleven/content-gallery.php	(working copy)
@@ -19,7 +19,7 @@
 
 		<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' ),
+				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$s" rel="author">%6$s</a></span>', 'twentyeleven' ),
 					get_permalink(),
 					get_the_date( 'c' ),
 					get_the_date(),