[Rd] problem with \eqn (PR#8322)
maechler@stat.math.ethz.ch
maechler at stat.math.ethz.ch
Fri Nov 18 18:22:25 CET 2005
>>>>> "Hin-Tak" == Hin-Tak Leung <hin-tak.leung at cimr.cam.ac.uk>
>>>>> 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use too smart LaTex (and using outdated \bf instead of \mathbf),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".
>> Full_Name: Ross Boylan
>> Version: 2.2.0
>> OS: Linux
>> Submission from: (NULL) (65.175.48.58)
>>
>>
>> \eqn{{\bf\beta}_j}{b(j)} in my .Rd file produces this error
>> --------------------------------------------
>> ! Missing $ inserted.
>> <inserted text>
>> $
>> l.7 \eqn{{\bf\beta}_j}{\bf\beta}_jnormal-bracket5bracket-normal{b(j)}
Hin-Tak> \eqn{{\bf\beta}_j} is already syntactically complete, so latex
Hin-Tak> complains the next "_" is not in maths mode, and automatically
Hin-Tak> switch into maths mode for you (the $ inserted message) You have
Hin-Tak> to match all the braces - you need 3 right-braces after \eqn,
Hin-Tak> like this, at least:
Hin-Tak> \eqn{ { {\bf\beta
Hin-Tak> }_j
Hin-Tak> }
Hin-Tak> {\bf\beta
Hin-Tak> }_ ....
Hin-Tak> {b(j)
Hin-Tak> }
Hin-Tak> }
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