# Install a gem gives: Unhandled special **URL:** \ **Category:** Ruby\ **Created:** [September 20, 2009, 7:23am UTC](https://www.ruby-forum.com/t/install-a-gem-gives-unhandled-special/175805 "2009-09-20T07:23:09Z")\ **Posts on this page:** 1\ **Page:** 1
**Author:** ![Thufir](https://www.ruby-forum.com/letter_avatar_proxy/v4/letter/t/ee7513/32.png) [@Thufir](https://www.ruby-forum.com/u/Thufir)\ **Post date:** [September 20, 2009, 7:23am UTC](https://www.ruby-forum.com/t/install-a-gem-gives-unhandled-special/175805/1 "2009-09-20T07:23:09Z")
since this only concerns the documentation, is this message concerning? root@ARRAKIS:~# root@ARRAKIS:~# gem install feedtools FeedTool’s caching schema has changed to allow Feed objects to be serialized to the cache. This should offer some limited speed up in some cases. Successfully installed uuidtools-2.0.0 Successfully installed builder-2.1.2 Successfully installed feedtools-0.2.29 3 gems installed Installing ri documentation for uuidtools-2.0.0… Installing ri documentation for builder-2.1.2… ERROR: While generating documentation for builder-2.1.2 … MESSAGE: Unhandled special: Special: type=17, text="" … RDOC args: --ri --op /var/lib/gems/1.8/doc/builder-2.1.2/ri --title Builder – Easy XML Building --main README --line-numbers --quiet lib CHANGES Rakefile README doc/releases/builder-1.2.4.rdoc doc/releases/ builder-2.0.0.rdoc doc/releases/builder-2.1.1.rdoc (continuing with the rest of the installation) Installing ri documentation for feedtools-0.2.29… Installing RDoc documentation for uuidtools-2.0.0… Installing RDoc documentation for builder-2.1.2… Installing RDoc documentation for feedtools-0.2.29… root@ARRAKIS:~# thanks, Thufir