http://gmarik.info/blog/2010/10/08/ctags-on-OSX
Snow Leo ships with ctags not suitable for Ruby development. Ie if you try to generate tags recursively, it will error out:
$ ctags R R
ctags: illegal option -
usage: ctags [-BFadtuwvx] [-f tagsfile] file …
$ which ctags
/usr/bin/ctags
| # Compiled source # | |
| ################### | |
| *.com | |
| *.class | |
| *.dll | |
| *.exe | |
| *.o | |
| *.so | |
| # Packages # |
| {{define "home"}} | |
| <html> | |
| <head> | |
| <title>Hello World</title> | |
| <script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.4/jquery.min.js"></script> | |
| </head> | |
| <body> | |
| <h2>Welcome!</h2> | |
| <p>Please fill out the following contact form</p> | |
| <form id="contactForm"> |