[ESS] Commenting out code in a selected region

[Henrik Andersson]

Is it possible to comment a selected region as with AuCTeX using C-c ; 
with ESS?

If not, too bad!

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Henrik Andersson
Netherlands Institute of Ecology -
Centre for Estuarine and Marine Ecology
P.O. Box 140
4400 AC Yerseke
Phone: +31 113 577473
h.andersson at nioo.knaw.nl
http://www.nioo.knaw.nl/ppages/handersson