good editor for R sources ?

I am a big fan of jEdit (www.jedit.org). It is easy to customize text
editor able to do syntax highlights of 100's of text file formats, including
*.R and *.Rd files. I also can be modified by many user developed extension
packages.

Jarek
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 Jarek Tuszynski, PhD.                           o / \ 
 Science Applications International Corporation  <\__,|  
 (703) 676-4192                                   ">   \
 Jaroslaw.W.Tuszynski at saic.com                     `    \