Can Bundler be configured to install gems rdoc?
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I use [bdoc](https://github.com/manalang/bdoc) (with [hanna](https://github.com/mislav/hanna) for formatting) as a quick way of looking at the rdoc documentation for the gems installed on my system. However, because bundler does not install rdoc when installing gems, I'm constantly having to generate them manually whenever I start using a new gem, or update an existing one.

Does anyone know if there's a way of configuring bundler to get it to install rdoc when installing gems to avoid me having to do it manually? I can't see any mention of this in the bundler source, nor in the [config manual](http://gembundler.com/man/bundle-config.1.html).