[Rd] not a typo in list.Rd

[Romain Francois]

Le 18.08.2006 15:56, Gabor Grothendieck a écrit :
> On 8/18/06, Martin Maechler <maechler at stat.math.ethz.ch> wrote:
>   
>>>>>>> "Gregor" == Gregor Gorjanc <gregor.gorjanc at bfro.uni-lj.si>
>>>>>>>     on Fri, 18 Aug 2006 14:48:40 +0200 writes:
>>>>>>>               
>>    Gregor> Hin-Tak Leung wrote:
>>    >> Gregor Gorjanc wrote:
>>    >>> Hello!
>>    >>>
>>    >>> There is a tiny typo in list.Rd.
>>    >>>
>>    >>> Index: R/src/library/base/man/list.Rd
>>    >>> ===================================================================
>>    >>> --- ../man/list.Rd      (revision 38909)
>>    >>> +++ ../man/list.Rd      (working copy)
>>    >>> @@ -59,7 +59,7 @@
>>    >>> inconsistent with functions such as \code{\link{as.character}}, and is
>>    >>> for efficiency since lists can be expensive to copy.)
>>    >>>
>>    >>> -  \code{is.list} returns \code{TRUE} iff its argument
>>    >>> +  \code{is.list} returns \code{TRUE} if its argument
>>    >>>
>>    >>
>>    >> Those are not typo's - (there are two "iff"'s in that paragraph).
>>    >> "iff" is a short-hand for "if and only if", in some culture.
>>
>>    Gregor> OK, I did not know that and I appologize for making noise on the list
>>    Gregor> for this. However, I wonder how many people know this?
>>
>> I think I'd like to keep fostering a culture where this is
>> known.  It's such a beatiful useful short concise language element.
>> If you don't know,  nowadays there's Wikipedia where you can
>> find it.
>>
>>    Gregor> It is fine to have some short-hands (as IMHO, RTFM,
>>    Gregor> etc. in e-mails), but these can be an obstacle for
>>    Gregor> exact understanding of the documentation, specially
>>    Gregor> for non-english users.
>>
>> I knew what 'iff' means many years before I knew any of the
>> above (and any other) e-mail acronyms, .... But that just shows
>> how old I am....
>>
>> Martin
>>     
>
> I think the documentation should be as clear as possible including
> to non-English speakers and to non-mathematicians and that means
> writing things out in full where there could be confusion.
Hi,

What about an \iff command ?

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