On May 15, 2011, at 23:13 , Roger Pack wrote:

>> rubygems-update version 1.8.2 has been released!
> 
> I've noticed that the "gem which" command seems to have changed.
> 
> $ gem which ruby-prof
> /Library/Ruby/Gems/1.8/gems/ruby-prof-0.10.7/lib/ruby-prof
> 
> (it lists a directory now, instead of a file).

3006 % gem unpack ruby-prof
Fetching: ruby-prof-0.4.0.gem (100%)
Unpacked gem: '/Users/ryan/ruby-prof-0.4.0'
3007 % l ruby-prof-0.4.0/lib/
total 16
0 ruby-prof/    8 ruby-prof.rb  8 unprof.rb

that also matches the ruby-prof.rb file given the rules of require.