Michael Haggerty <mhag...@alum.mit.edu> writes:

> It is easy to allow "--abbrev=+7"; I would just need to add NUM_PLUS to
> those call sites. Should I do so?

The more relevant question to ask from my point of view is why you
need to "add" NUM_PLUS to "enable" it.  What valid reason do you
have to forbid it anywhere?  Only because you do not accept it by
default, you need to "add" to "enable".

>> Why is it a problem to allow "git cmd --hexval=0x1234", even if "git
>> cmd --hexval=1234" would suffice?
>
> In some cases we would like to allow that flexibility; in some cases
> not. But the strtol()/strtoul() functions *always* allow it.

The same issue.  Whare are these "some cases"?
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