cuber

require 'formula'

class Protobuf < Formula
  url 'http://protobuf.googlecode.com/files/protobuf-2.4.0a.tar.bz2'
  homepage 'http://code.google.com/p/protobuf/'
  sha1 '5816b0dd686115c3d90c3beccf17fd89432d3f07'

  fails_with_llvm

  def options

cuber

# you should checkout to the history version of scala.rb
cd /path/to/homebrew (default is /usr/local)
git checkout d64edec425df44918c58b6b021ffef2628242248 Library/Formula/scala.rb
brew info scala     # you will see the 2.10 version
brew install scala
# after install, turn back to the master version
brew checkout master Library/Formula/scala.rb
# you can install both 2.10 & 2.11, brew switch can easily switch to any specific version
brew switch scala 2.10 
brew switch scala 2.11  

cuber

<style>
  span   { display: inline-block; }
  #left  { text-align: left; }
  #right { text-align: right; }
</style>

<div style="width: 100px; height: 30px; overflow:hidden; ">
  <span id="left"></span>
  <span id="right"></span>
</div>