On 11/18/2005 12:40 PM, Hin-Tak Leung wrote:
> Martin Maechler wrote:
>
>>>>>>>"Hin-Tak" == Hin-Tak Leung <[EMAIL PROTECTED]>
>>>>>>> on Fri, 18 Nov 2005 16:38:28 +0000 writes:
>>
>>
>> Hin-Tak> Your own fault. See below. It is basic LaTeX and any LaTeX person
>> Hin-Tak> can tell you the answer...(most probably haven't bothered...)
>>
>>No. Whereas I partly agree that it's Ross ``fault'' trying to
>>use too smart LaTex (and using outdated \bf instead of \mathbf),
>>;-)
>>
>>The bug is really there, since we are talking about the Rd "language",
>>not LaTeX, an in Rd, \eqn and \deqn are defined to have either
>>one or two arguments -- where Ross used the 2-argument version
>>correctly (in principle at least) --> See the manual "Writing R
>>Extensions".
>
>
> Forgive me for not reading R-ext carefully, but Ross's Rd code is
> still "obviously" wrong in the lights of the two-argument \eqn:
> (really doesn't differ from the 1-arg interpretaion of \eqn)
>
> \eqn{{\bf\beta}_j}{\bf\beta}_jnormal-bracket5bracket-normal{b(j)}
>
> In other words,
> \eqn{...}{...}_...
>
> and the "_" is still outside of any maths environment, which is most
> probably not Ross's intention.
But that is Latex code produced by R, not Rd code produced by Ross. The
bug is in the Latex production (which I think is done by
share/perl/R/Rdconv.pm, but I don't know Perl well enough to attempt to
fix it).
Duncan Murdoch
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