Select which files to only generate in .gemspec

[konsolebox]

Is there's already a way to make generation of rdoc (html) and ri files when the gem gets installed minimized to only a few specific files? If not, can this feature be added?

Specifying specific files through spec.rdoc_options doesn't help (did it after examining rubygems_hook.rb). And using --exclude, if it may work, would be ugly since it would have to match every file that could be included.