--- Games-Go-SimpleBoard/SimpleBoard.pm	2008/06/25 20:11:33	1.9
+++ Games-Go-SimpleBoard/SimpleBoard.pm	2008/06/25 20:49:38	1.10
@@ -110,7 +110,6 @@
      #timer     => [],
      #score     => [],
       @_,
-      unmark    => [],
    }, $class
 }
 
@@ -222,9 +221,12 @@
       my ($x, $y, $clr, $set, $label) = @$_;
 
       if (!defined $x) {
+         $$_ &= ~$mark_symbols for @{ delete $self->{unmark} || [] };
          # pass
 
       } elsif ($x == MOVE_HANDICAP) {
+         $$_ &= ~$mark_symbols for @{ delete $self->{unmark} || [] };
+
          # $y = #handicap stones
          my $c = $HANDICAP_COORD{$self->{size}}
             or Carp::croak "$self->{size}: illegal board size for handicap";
@@ -244,7 +246,7 @@
          $self->{label}[$x][$y] = $label if $set & MARK_LABEL;
 
          if ($set & MARK_MOVE) {
-            $$_ &= ~$mark_symbols for @{ $self->{unmark} };
+            $$_ &= ~$mark_symbols for @{ $self->{unmark} || [] };
             @{ $self->{unmark} } = $space;
 
             unless (${ $_->[5] ||= \my $hint }) {