[Rd] Maths in R documentation (PR#523)

[Robert Gentleman]

 I pointed this anomaly out sometime ago. It would be nice to either
have the documentation change or the behaviour (I would perfer the 
latter).

On Mon, Apr 17, 2000 at 06:09:40PM +0200, plummer@iarc.fr wrote:
> The document R-exts contains the following example of using 
> mathematics in R documentation.
> 
> \deqn{p(x) = {\lambda^x\ \frac{e^{-\lambda}}{x!}}
>      {p(x) = lambda^x exp(-lambda)/x!}
> 
> There is a syntax error in there, but that's not my point.
> The problem is that using "R CMD Rd2dvi" I find that putting
> the alternate forms of the equation on top of each other doesn't
> work.
> 
> \deqn{foo}
>      {bar}
> 
> is interpreted as
> 
> \deqn{foo}
> bar
> 
> which causes a number of problems,e.g. you get both forms of the
> equation printed, LaTeX complains about missing math delimiters, etc.
> I solved this by putting everything on one line:
> 
> \deqn{foo}{bar}
> 
> but there is either a documentation error in there, or a problem with
> parsing ".Rd" format files.
> 
> Another problem is that when I type "R CMD Rd2dvi coda" to get a printable
> reference for all the functions in the coda package, they seem to come out in
> a more or less random order. I get
> read.bugs, mcmc, plot.mcmc, codamenu, read.and.check,...
> I was expecting alphabetical order. What do I have to do to get this?
> 
> Martyn
> 
> --please do not edit the information below--
> 
> Version:
>  platform = i686-unknown-linux
>  arch = i686
>  os = linux
>  system = i686, linux
>  status =
>  major = 1
>  minor = 0.1
>  year = 2000
>  month = April
>  day = 14
>  language = R
> 
> Search Path:
>  .GlobalEnv, Autoloads, package:base
> 
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| Senior Lecturer               fax :   (64-9) 3737-018                   |
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| University of Auckland	email : rgentlem@stat.auckland.ac.nz      |
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