Allow arbitrary nesting of sub-variations in PGN input

[xboard.git] / common.h

diff --git a/common.h b/common.h
index 4f78597..63cee7d 100644 (file)
--- a/common.h
+++ b/common.h
@@ -263,7 +263,7 @@ typedef enum {
     WhiteDrop, BlackDrop, 
     NormalMove, AmbiguousMove, IllegalMove, ImpossibleMove,
     WhiteWins, BlackWins, GameIsDrawn, GameUnfinished,
-    GNUChessGame, XBoardGame, MoveNumberOne, 
+    GNUChessGame, XBoardGame, MoveNumberOne, Open, Close, Nothing,
     Comment, PositionDiagram, ElapsedTime, PGNTag, NAG
   } ChessMove;
 
@@ -523,6 +523,7 @@ typedef struct {
     int secondProtocolVersion;
     Boolean showButtonBar;
     Boolean icsEngineAnalyze; 
+    Boolean variations;         /* [HGM] enable variation-tree walking */
 
     /* [AS] New properties (down to the "ZIPPY" part) */
     Boolean firstScoreIsAbsolute;  /* If true, engine score is always from white side */