[R] box doesn't surround words in legend in printed output

[Paul Johnson]

I have made a plot with a legend and on the screen it looks fine, but
when I save as jpg or pdf, or print, the legend box is too small, it
cuts through the words on the right side.

I put an example here:
http://lark.cc.ukans.edu/~pauljohn/R/apdftest.pdf

Is there a work around? 

-- 
Paul E. Johnson                       email: pauljohn at ukans.edu
Dept. of Political Science            http://lark.cc.ukans.edu/~pauljohn
University of Kansas                  Office: (785) 864-9086
Lawrence, Kansas 66045                FAX: (785) 864-5700
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