TK_DO            4403 host/minilua.c checknext(ls,TK_DO);
TK_DO            4446 host/minilua.c checknext(ls,TK_DO);
TK_DO            4637 host/minilua.c case TK_DO:{
TK_DO            4640 host/minilua.c check_match(ls,TK_END,TK_DO,line);