Matthew Wilcox <willy@xxxxxxxxxxxxx> writes: > On Fri, Jul 30, 2021 at 08:51:29AM -0600, Jonathan Corbet wrote: >> Cai Huoqing <caihuoqing@xxxxxxxxx> writes: >> >> > Fix typo: iff ==> if >> > >> > Signed-off-by: Cai Huoqing <caihuoqing@xxxxxxxxx> >> >> This is becoming an FAQ ... "iff" in mathematical English means "if and >> only if"; its usage in these documents is correct. > > ... and yet it's clearly not understood. Similarly to the [start..end) > convention (also the [start..end[ convention). Should we deprecate > use of it in kernel documentation, and if so, what should we replace it > with? I'm never quite sure what to do with these things...we want to be inclusive, but we don't want to hobble the language we use beyond a certain point. We could ask people to spell out "if and only if", I suppose, but that sounds like the kind of thing that leads to unpleasant messages in my inbox. Thanks, jon