I'm trying to build the rdocs for rake (0.4.15, from gem, ruby 1.8.2), 
but it's failing to find the jamis template:

# rake rdoc
(in /usr/local/lib/ruby/gems/1.8/gems/rake-0.4.15)
rm -r html
rdoc -o html --line-numbers --inline-source --main README --title 'Rake 
-- Ruby Make' -T 'jamis' README MIT-LICENSE TODO CHANGES lib/rake.rb 
lib/rake/clean.rb lib/rake/tasklib.rb lib/rake/packagetask.rb 
lib/rake/rdoctask.rb lib/rake/runtest.rb lib/rake/testtask.rb 
lib/rake/gempackagetask.rb doc/glossary.rdoc doc/proto_rake.rdoc 
doc/rational.rdoc doc/rakefile.rdoc doc/release_notes/rake-0.4.14.rdoc

                              README:
                         MIT-LICENSE:
                                TODO:
                             CHANGES:
                             rake.rb: 
c.........c.........c.......m....m....mc...............c...c............
                            clean.rb:
                          tasklib.rb: mc..
                      packagetask.rb: mc.......
                         rdoctask.rb: mc.....
                          runtest.rb: m.
                         testtask.rb: mc.....
                   gempackagetask.rb: mc....
                       glossary.rdoc:
                     proto_rake.rdoc:
                       rational.rdoc:
                       rakefile.rdoc:
                    rake-0.4.14.rdoc:
Generating HTML...
Could not find HTML template 'rdoc/generators/template/html/jamis'
rake aborted!
Command failed with status (99): [rdoc -o html --line-numbers 
--inline-source --main README --title 'Rake -- Ruby Make' -T 'jamis' 
README MIT-LICENSE TODO CHANGES lib/rake.rb lib/rake/clean.rb 
lib/rake/tasklib.rb lib/rake/packagetask.rb lib/rake/rdoctask.rb 
lib/rake/runtest.rb lib/rake/testtask.rb lib/rake/gempackagetask.rb 
doc/glossary.rdoc doc/proto_rake.rdoc doc/rational.rdoc doc/rakefile.rdoc

There is a jamis.rb file in the doc dir, but either that's not the right 
one, or rake rdoc isn't finding it.

Any suggestions?