Rdoc putting private method in list of instance methods?

Hi all,

I'm writing an extension to Ruby with both C and Ruby sources. In the C
sources, I call this:

  rb_define_private_method( cEpoll, "control", rb_epoll_control, 3);

However, this method still gets an entry in the RDoc documentation. How
can I tell RDoc to ignore private methods? Also, how can I tell it to
ignore constants and attributes? Thanks.

Versions:

ruby 1.8.3 (2005-09-21) [x86_64-linux]
RDoc V1.0.1 - 20041108

P.S. /* :nodoc: */ both above and on the same line didn't work.

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Toby DiPasquale