extern Widget shells[];
extern int dialogError;
-extern Widget formWidget, shellWidget, boardWidget, menuBarWidget, historyShell;
+extern Widget formWidget, shellWidget, boardWidget, menuBarWidget;
extern Display *xDisplay;
extern Window xBoardWindow;
extern int squareSize;
extern Pixmap xMarkPixmap, wIconPixmap, bIconPixmap;
extern char *layoutName;
-extern Arg layoutArgs[2], formArgs[2], messageArgs[4];
extern Pixel timerForegroundPixel, timerBackgroundPixel, dialogColor, buttonColor;
extern int searchTime;
extern Atom wm_delete_window;