Index: wp-admin/includes/dashboard.php
===================================================================
--- wp-admin/includes/dashboard.php	(revision 21877)
+++ wp-admin/includes/dashboard.php	(working copy)
@@ -566,7 +566,7 @@
 			$url = get_edit_post_link( $draft->ID );
 			$title = _draft_or_post_title( $draft->ID );
 			$item = "<h4><a href='$url' title='" . sprintf( __( 'Edit &#8220;%s&#8221;' ), esc_attr( $title ) ) . "'>" . esc_html($title) . "</a> <abbr title='" . get_the_time(__('Y/m/d g:i:s A'), $draft) . "'>" . get_the_time( get_option( 'date_format' ), $draft ) . '</abbr></h4>';
-			if ( $the_content = preg_split( '#\s#', strip_tags( $draft->post_content ), 11, PREG_SPLIT_NO_EMPTY ) )
+			if ( $the_content = preg_split( '#[\r\n\t ]#', strip_tags( $draft->post_content ), 11, PREG_SPLIT_NO_EMPTY ) )
 				$item .= '<p>' . join( ' ', array_slice( $the_content, 0, 10 ) ) . ( 10 < count( $the_content ) ? '&hellip;' : '' ) . '</p>';
 			$list[] = $item;
 		}