[Debug] Show errors

index.php

@@ -140,7 +140,7 @@ assert( '$screen >= 0', "By now \$screen should be set to a value >= 0." );
                   $screen = 0;
               }
               // Choose or add a maintainer; default screen
-              print( "<pre>&{screen}</pre>" );
+              print( "<pre>${screen}</pre>" );
               print( $snippets[$screen] );
               ?>
           </div>