Ticket #54437: 54437.diff

src/wp-includes/class-wp-theme.php

@@ -280 +280 @@
                                 )
                         );
                         if ( ! file_exists( $this->theme_root ) ) { // Don't cache this one.
-                                $this->errors->add( 'theme_root_missing', __( 'Error: The themes directory is either empty or doesn’t exist. Please check your installation.' ) );
+                                $this->errors->add( 'theme_root_missing', __( '<strong>Error</strong>: The themes directory is either empty or doesn&#8217;t exist. Please check your installation.' ) );
                         }
                         return;
                 } elseif ( ! is_readable( $this->theme_root . '/' . $theme_file ) ) {

src/wp-includes/functions.php

@@ -1579 +1579 @@
         }
 
         if ( ! has_action( "do_feed_{$feed}" ) ) {
-                wp_die( __( 'Error: This is not a valid feed template.' ), '', array( 'response' => 404 ) );
+                wp_die( __( '<strong>Error</strong>: This is not a valid feed template.' ), '', array( 'response' => 404 ) );
         }
 
         /**