OP_DUP_QUESTION  1909 compat/regex/regcomp.c 	    token->type = OP_DUP_QUESTION;
OP_DUP_QUESTION  1955 compat/regex/regcomp.c 	token->type = OP_DUP_QUESTION;
OP_DUP_QUESTION  2294 compat/regex/regcomp.c     case OP_DUP_QUESTION:
OP_DUP_QUESTION  2416 compat/regex/regcomp.c 	 || token->type == OP_DUP_QUESTION || token->type == OP_OPEN_DUP_NUM)
OP_DUP_QUESTION  2546 compat/regex/regcomp.c       end = (token->type == OP_DUP_QUESTION) ? 1 : -1;