Bug #3718: [doc] ri doesn't document Object#<=>
http://redmine.ruby-lang.org/issues/show/3718

Author: Brian Candler
Status: Open, Priority: Low
Category: DOC
ruby -v: ruby 1.9.2p0 (2010-08-18 revision 29036) [x86_64-linux] 

1.9.2 apparently implements Object#<=> (or Kernel#<=> ?)

$ irb192 --simple-prompt
>> Object.new <=> Object.new
=> nil

But ri doesn't seem to know about it:

$ ri192 '<=>'
Nothing known about <=>
$ ri192 'Object#<=>'
Nothing known about Object#<=>
$ ri192 'Kernel#<=>'
Nothing known about Kernel#<=>

(However, I note that ri192 'String#<=>' does work as expected)


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