[racket] long lines in definitions window

If I recall correctly, long lines in the definitions window of DrRacket were
automatically split such as to be visible in even a small window. Nowadays I
see a scrollbar appear and lines are not shown split up. This is in
DrRacket, version 5.2.0.1--2011-11-07(7d607fd/a) [3m]. Is there an option to
avoid the scrollbar? I have looked for it, but did not find anything.
Thanks, Jos
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