Re: [Qemu-block] [Qemu-devel] [PATCH 01/10] qemu-img.c: comment typo fix

[Cleber Rosa]

On 10/4/18 12:48 PM, Eric Blake wrote:
> On 10/4/18 11:18 AM, Cleber Rosa wrote:
>> A trivial comment typo fix.
>>
>> Signed-off-by: Cleber Rosa <cr...@redhat.com>
>> ---
>>   qemu-img.c | 2 +-
>>   1 file changed, 1 insertion(+), 1 deletion(-)
>>
>> diff --git a/qemu-img.c b/qemu-img.c
>> index b12f4cd19b..a96b76c187 100644
>> --- a/qemu-img.c
>> +++ b/qemu-img.c
>> @@ -1085,7 +1085,7 @@ static int64_t find_nonzero(const uint8_t *buf,
>> int64_t n)
>>   }
>>     /*
>> - * Returns true iff the first sector pointed to by 'buf' contains at
>> least
>> + * Returns true if the first sector pointed to by 'buf' contains at
>> least
> 
> NACK.  You're not the first person to propose this change.  However,
> "iff" is an English word (albeit archaic) which is shorthand for "if and
> only if", which has a distinct logical meaning separate from the weaker
> "if".  Spelling it out in longhand instead of calling it a typo is
> probably acceptable, though.
> 

Wow, thanks for the explanation.  I agree that spelling it out is a good
option, as it'll probably prevent other people from falling into the
same "language trap" as I did.

Thanks!
- Cleber.