Index: wp-includes/post-template.php
===================================================================
--- wp-includes/post-template.php	(revision 14429)
+++ wp-includes/post-template.php	(working copy)
@@ -838,7 +838,7 @@
 		$class = '';
 		if ( is_front_page() && !is_paged() )
 			$class = 'class="current_page_item"';
-		$menu .= '<li ' . $class . '><a href="' . home_url() . '" title="' . esc_attr($text) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>';
+		$menu .= '<li ' . $class . '><a href="' . home_url( '/' ) . '" title="' . esc_attr($text) . '">' . $args['link_before'] . $text . $args['link_after'] . '</a></li>';
 		// If the front page is a page, add it to the exclude list
 		if (get_option('show_on_front') == 'page') {
 			if ( !empty( $list_args['exclude'] ) ) {
Index: wp-admin/custom-header.php
===================================================================
--- wp-admin/custom-header.php	(revision 14429)
+++ wp-admin/custom-header.php	(working copy)
@@ -373,7 +373,7 @@
 <?php
 if ( isset($_GET['updated']) && $_GET['updated'] ) { ?>
 <div id="message" class="updated">
-<p><?php printf(__('Header updated. <a href="%s">Visit your site</a> to see how it looks.'), home_url()); ?></p>
+<p><?php printf( __( 'Header updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); ?></p>
 </div>
 <?php }
 
Index: wp-admin/themes.php
===================================================================
--- wp-admin/themes.php	(revision 14429)
+++ wp-admin/themes.php	(working copy)
@@ -54,7 +54,7 @@
 		if ( isset($wp_registered_sidebars) && count( (array) $wp_registered_sidebars ) ) { ?>
 <div id="message2" class="updated"><p><?php printf( __('New theme activated. This theme supports widgets, please visit the <a href="%s">widgets settings</a> screen to configure them.'), admin_url( 'widgets.php' ) ); ?></p></div><?php
 		} else { ?>
-<div id="message2" class="updated"><p><?php printf( __('New theme activated. <a href="%s">Visit site</a>'), home_url( '/ ' ) ); ?></p></div><?php
+<div id="message2" class="updated"><p><?php printf( __( 'New theme activated. <a href="%s">Visit site</a>' ), home_url( '/' ) ); ?></p></div><?php
 		}
 	elseif ( isset($_GET['deleted']) ) : ?>
 <div id="message3" class="updated"><p><?php _e('Theme deleted.') ?></p></div>
Index: wp-admin/custom-background.php
===================================================================
--- wp-admin/custom-background.php	(revision 14429)
+++ wp-admin/custom-background.php	(working copy)
@@ -140,7 +140,7 @@
 <h2><?php _e('Custom Background'); ?></h2>
 <?php if ( !empty($this->updated) ) { ?>
 <div id="message" class="updated">
-<p><?php printf(__('Background updated. <a href="%s">Visit your site</a> to see how it looks.'), home_url()); ?></p>
+<p><?php printf( __( 'Background updated. <a href="%s">Visit your site</a> to see how it looks.' ), home_url( '/' ) ); ?></p>
 </div>
 <?php }