[ESS] help fails for functions with more than one option

Martin Maechler maechler at stat.math.ethz.ch
Mon Jan 28 17:03:18 CET 2008

>>>>> "JimMcD" == James W MacDonald <jmacdon at med.umich.edu>
>>>>>     on Mon, 28 Jan 2008 10:21:44 -0500 writes:

    JimMcD> Martin Maechler wrote:
    >>>>>>> "JimMcD" == James W MacDonald <jmacdon at med.umich.edu>
    >>>>>>> on Thu, 24 Jan 2008 12:26:08 -0500 writes:
    JimMcD> I have also found this to be helpful: 
    JimMcD> library(tcltk)
    JimMcD> ?spec
    >> Hmm, I've never have a problem with this:
    >> For me, tcltk was always autoloaded and a popup-window (from
    >> tcltk) with the menu was displayed; I click and the proper help
    >> page is opened inside emacs.

    JimMcD> Really? I wonder what is wrong with my setup then. 

well, you are using Windows ...

I'm sorry I forgot to say that I was talking about the behavior
on Linux.


    JimMcD> I am using

    JimMcD> This is GNU Emacs (i386-mingw-nt5.1.2600)
    JimMcD> of 2007-07-07 on NEUTRINO

    JimMcD> With R-2.6.0

    JimMcD> And I have consistent problems with popups not popping. The following 
    JimMcD> are consistent for me:

    JimMcD> 1.) ?something  where the function is in two different packages. 
    JimMcD> ?hyperGtest from GOstats is a perfect example.

    JimMcD> 2.) chooseCRANmirror(), which I have tracked down to select.list(). This 
    JimMcD> won't work the first time I try. However if I kill it with a c-g c-c c-c 
    JimMcD> then I can run it again without problems (e.g. select.list(letters) 
    JimMcD> fails, but a c-g c-c c-c and an up arrow will then work).

    JimMcD> If I load tcltk first, both will work without problems. But I am _not_ 
    JimMcD> getting a tcltk listbox, just the usual Windows one.

    JimMcD> Note that this isn't true for either RGui, nor running R directly from a 
    JimMcD> DOS prompt. In both of those cases I get the popup without problems.

    JimMcD> Best,

    JimMcD> Jim

    JimMcD> -- 
    JimMcD> James W. MacDonald, M.S.
    JimMcD> Biostatistician
    JimMcD> Affymetrix and cDNA Microarray Core
    JimMcD> University of Michigan Cancer Center
    JimMcD> 1500 E. Medical Center Drive
    JimMcD> 7410 CCGC
    JimMcD> Ann Arbor MI 48109
    JimMcD> 734-647-5623

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