OP_REF           3100 srclib/pcre/pcre.c              *previous == OP_REF)
OP_REF           3503 srclib/pcre/pcre.c           *code++ = OP_REF;
OP_REF           3819 srclib/pcre/pcre.c         *code++ = OP_REF;
OP_REF           7015 srclib/pcre/pcre.c     case OP_REF:
OP_REF            330 srclib/pcre/printint.c     case OP_REF: