TKWAIT_VARIABLE  4514 ext/tk/tcltklib.c             index = TKWAIT_VARIABLE;
TKWAIT_VARIABLE  4544 ext/tk/tcltklib.c     case TKWAIT_VARIABLE:
TKWAIT_VARIABLE  5119 ext/tk/tcltklib.c             index = TKWAIT_VARIABLE;
TKWAIT_VARIABLE  5158 ext/tk/tcltklib.c     case TKWAIT_VARIABLE: