MPARSE_MDOC
options |= MPARSE_MDOC;
format = MPARSE_MDOC;
if (format == MPARSE_MDOC) {
if (curp->options & MPARSE_MDOC) {
r->format = MPARSE_MDOC;
mask = MPARSE_MDOC | MPARSE_QUICK;
r->format = r->options & (MPARSE_MDOC | MPARSE_MAN);
r->format = options & (MPARSE_MDOC | MPARSE_MAN);