quoted strings in foo.Rd rendered as â

Another anomaly from our rhel5 system, again sessionInfo() below.
When I'm logged in remotely via ssh from my macpro and view documentation
files in my X11 window,  strings in single quotes in the files are all
abbreviated as ? .   The same files appear fine when rendered in X11
using the local R,  and also appear fine in a terminal window on the
linux machine, so this could easily also be some sort of ssh/X11 issue
not R at all, but if someone had any suggestion for further checking
it would be greatly appreciated.

Roger

sessionInfo()

R version 2.10.0 alpha (2009-10-09 r50012)
x86_64-unknown-linux-gnu

locale:
[1] LC_CTYPE=en_US.UTF-8       LC_NUMERIC=C
[3] LC_TIME=en_US.UTF-8        LC_COLLATE=en_US.UTF-8
[5] LC_MONETARY=C              LC_MESSAGES=en_US.UTF-8
[7] LC_PAPER=en_US.UTF-8       LC_NAME=C
[9] LC_ADDRESS=C               LC_TELEPHONE=C
[11] LC_MEASUREMENT=en_US.UTF-8 LC_IDENTIFICATION=C

attached base packages:
[1] splines   stats     graphics  grDevices utils     datasets  methods
[8] base

other attached packages:
[1] survival_2.35-7 quantreg_4.42   SparseM_0.80

loaded via a namespace (and not attached):
[1] tools_2.10.0


url:    www.econ.uiuc.edu/~roger            Roger Koenker
email    rkoenker at uiuc.edu            Department of Economics
vox:     217-333-4558                University of Illinois
fax:       217-244-6678                Urbana, IL 61801