This is the original commit of the rtags source code as written by Keiju ISHITSUKA as part of the irb project. Now irb has moved into the main Ruby source tree rtags has become an independent project.
At this point you can just run rtags in lieu of ctags, provided irb is installed on your system. It works alright! You may see quite a number of warning messages (certainly with projects like Ruby on Rails) - usually because of multiple line definitions. It is safe to ignore those warnings.
rtags is distributed as a gem or tgz file under a RUBY LICENSE and is hosted at rubyforge:
http://rubyforge.org/projects/rtags/
The home page and tutorial can be found at
http://rtags.rubyforge.org/
For more information see ./bin/rtags
Current maintainer:
Pjotr Prins (pjotr.public 02 at thebird dotty nl ? or thebird.nl/)