```ruby
Pod::Spec.new do |s|
  s.name         = "FootlessParser"
  s.version      = "1.0"
  s.summary      = "A simple parser combinator written in Swift"
  s.description  = "FootlessParser is a simple and pretty naive implementation of a parser combinator in Swift. It enables infinite lookahead, non-ambiguous parsing with error reporting."
  s.homepage     = "https://github.com/kareman/FootlessParser"
  s.license      = { :type => "MIT", :file => "LICENSE.txt" }
  s.author             = { "Kare Morstol" => "kare@nottoobadsoftware.com" }
  s.source       = { :git => "https://github.com/kareman/FootlessParser.git", :tag => "1.0.0" }
  s.source_files  = "Sources/*.swift"
  # Swift is not avalible on > 10.10
  s.osx.deployment_target  = "10.10"
end
```

Use Ruby 2.0 syntax in pod spec and replace tag with branch
user
```ruby
Pod::Spec.new do |s|
  s.name         = 'FootlessParser'
  s.version      = '1.0'
  s.summary      = 'A simple parser combinator written in Swift'
  s.description  = 'FootlessParser is a simple and pretty naive implementation of a parser combinator in Swift. It enables infinite lookahead, non-ambiguous parsing with error reporting.'
  s.homepage     = 'https://github.com/kareman/FootlessParser'
  s.license      = { type: 'MIT', file: 'LICENSE.txt' }
  s.author = { 'Kare Morstol' => 'kare@nottoobadsoftware.com' }
  s.source = { git: 'https://github.com/kareman/FootlessParser.git', branch: 'swift3.0' }
  s.source_files = 'Sources/*.swift'
  s.osx.deployment_target = '10.10'
end
```
assistant