[ESS] Xemacs/ESS crash with R-help

James MacDonald jmacdon at med.umich.edu
Tue Nov 21 20:22:37 CET 2006

A search for this problem didn't result in any hits, but I still wonder
if it is a known problem. This is on Windows XP using R-2.4.0 or
R-2.5.0devel, Xemacs-21.4.19, and ESS-5.3.3 (I have all other Xemacs
packages installed from the sumo tarball as well).

With R-2.4.0 and greater (possibly earlier versions as well?) if one
tries to open a help page for a function that exists in more than one
package, if using the RGui, a window pops up querying the end user which
function help they want. I believe in earlier versions you just got the
'first one' and a listing of other packages that had the same function.

Anyway, when I do the same running R under Xemacs/ESS, it just
completely locks up and I have to use the Windows Task Manager to kill
the process. 

This is different from what I saw with Xemacs-21.4.13 and an earlier
version of ESS, maybe 5.3.1. With the earlier versions, I would get a
window with the header 'Choose one', but nothing else in the window.
This would also require me to kill the process.

The easiest way I know for someone to reproduce this is as follows (at
an R prompt):


I would imagine any other duplicated function will do the same, but I
don't know one off the top of my head right now.



James W. MacDonald, M.S.
Affymetrix and cDNA Microarray Core
University of Michigan Cancer Center
1500 E. Medical Center Drive
7410 CCGC
Ann Arbor MI 48109

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