Re: [PATCH] doc: clarify how -S works

[John Tapsell <johnflux@gmail.com>]

2009/3/3 Jeff King <peff@peff.net>:
> On Tue, Mar 03, 2009 at 04:12:30PM +0000, John Tapsell wrote:
>
>> > To fix it we:
>> >
>> >  1. use "introduce or remove an instance of" instead of
>> >     "contain"
>>
>> I would read this to mean that it doesn't include modifying a line
>> containing that string.  But I also know that underneath the hood, a
>> change is a remove then an addition, so I would be confused :)
>>
>> What about saying "modifies" rather than "contain" ?
>
> I'm confused. It _doesn't_ include modifying a line containing the
> string. In which case it has done its job. But your "but" after that
> is what leaves me confused. You thought it would mean that, but you
> don't due to some other knowledge, which is leading you down the wrong
> path?

Yes, it would seem that I was also confused as to what -S means.  It
doesn't mean what I thought it meant :-)

> I was trying to get away with a short and sweet description. But the
> behavior is basically (with a few optimizations):
>
>  if count(a, string) != count(b, string) then
>    it is interesting
>
> which is unambiguous, but it takes a second to realize the implications.
>
> -Peff
>