Follow-up Comment #22, bug #67570 (group groff): Thanks!
[comment #21 comment #21:]
> I inexplicably mistook a Boolean-valued return type for an
> `int`-valued one.
Irrelevant nit, but even if the type _were_ an int, changing
if (some_int)
to
if (some_int >= 0)
would have changed the logic.
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