Allow null move in analysis and edit-game mode

[xboard.git] / moves.c

diff --git a/moves.c b/moves.c
index 89728e1..2a8e187 100644 (file)
--- a/moves.c
+++ b/moves.c
@@ -1500,6 +1500,7 @@ ChessMove CoordsToAlgebraic(board, flags, rf, ff, rt, ft, promoChar, out)
     CoordsToAlgebraicClosure cl;
 
     if (rf == DROP_RANK) {
+       if(ff == EmptySquare) { strncpy(outp, "--",3); return NormalMove; } // [HGM] pass
        /* Bughouse piece drop */
        *outp++ = ToUpper(PieceToChar((ChessSquare) ff));
        *outp++ = '@';