[Rd] Maths in R documentation (PR#523)
maechler@stat.math.ethz.ch
maechler@stat.math.ethz.ch
Tue, 18 Apr 2000 14:19:01 +0200 (MET DST)
>>>>> "MM" == Martin Maechler <maechler@stat.math.ethz.ch> writes:
>>>>> "Martyn" == Martyn Plummer <plummer@iarc.fr> writes:
Martyn> The document R-exts contains the following example of using
Martyn> mathematics in R documentation.
Martyn> \deqn{p(x) = {\lambda^x\ \frac{e^{-\lambda}}{x!}}
Martyn> {p(x) = lambda^x exp(-lambda)/x!}
Martyn> There is a syntax error in there, but that's not my point.
Martyn> The problem is that using "R CMD Rd2dvi" I find that putting
Martyn> the alternate forms of the equation on top of each other doesn't
Martyn> work.
Martyn> \deqn{foo}
Martyn> {bar}
Martyn> is interpreted as
Martyn> \deqn{foo}
Martyn> bar
MM> yes.
MM> The typo is simply a missing "%" at the end of the first line
MM> (which once was there, and "of course" was dropped when that documentation
MM> was translated from latex to texinfo ...)
MM> The following is correct
MM> \deqn{foo}%
MM> {bar}
NO! ...dear me... a closer look at these two files
MM> (see e.g. src/library/base/man/Special.Rd or ...../symnum.Rd )
reveals that
\deqn{foo}{%
bar}
is *the way* ..
sorry for the additional confusion I've added...
MM> I'll fix R-exts.texi.
..yes..
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