OP_DUP_QUESTION 1914 maint/gnulib/lib/regcomp.c token->type = OP_DUP_QUESTION; OP_DUP_QUESTION 1960 maint/gnulib/lib/regcomp.c token->type = OP_DUP_QUESTION; OP_DUP_QUESTION 2317 maint/gnulib/lib/regcomp.c case OP_DUP_QUESTION: OP_DUP_QUESTION 2445 maint/gnulib/lib/regcomp.c || token->type == OP_DUP_QUESTION || token->type == OP_OPEN_DUP_NUM) OP_DUP_QUESTION 2589 maint/gnulib/lib/regcomp.c end = (token->type == OP_DUP_QUESTION) ? 1 : -1;