RI does not produce useful output.
ri Kernel.format
More than one method matched your request. You can refine
your search by asking for information on one of:
Kernel#format, Kernel#format
ri --version
ri v1.0.1 - 20041108
ruby --version
ruby 1.8.4 (2005-12-24) [i386-mswin32]
FXRI isn’t any better of course. Clicking on something in the left
column just pastes it
into the irb window. There is no help.
Warren Fred