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Date:   Mon, 9 Sep 2019 23:35:10 -0700
From:   Christoph Hellwig <hch@infradead.org>
To:     Federico Vaga <federico.vaga@vaga.pv.it>
Cc:     Jonathan Corbet <corbet@lwn.net>, linux-kernel@vger.kernel.org,
        linux-doc@vger.kernel.org
Subject: Re: [PATCH] doc: replace IFF abbreviation  with 'if and only if'
Message-ID: <20190910063510.GA4267@infradead.org>
References: <20190907105116.19183-1-federico.vaga@vaga.pv.it>
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On Sat, Sep 07, 2019 at 12:51:16PM +0200, Federico Vaga wrote:
> In a normal piece of text the use of 'iff' does not guarantee a correct
> interpretation because it is easy to confuse it for a typo (if or iff?).
> 
> I believe that IFF should not be used outside a logical/mathematical
> expression. For this reason with this patch I am replacing 'iff' with
> 'if an only if' in text, and I am leaving it as it is in logical formulae.

Hell no.  If you want to avoid the usage in your own docs please go for
it, but as seen in your patch we commonly use and that is a good thing
as it brings the information across in a very compact way.