Module Rack
In: lib/sinatra/rack_accept.rb
lib/sinatra/rack_etag.rb
lib/sinatra/rack_matrix_params.rb
lib/sinatra/body_proxy.rb
lib/sinatra/accept_media_types.rb
lib/sinatra/rack_driver_select.rb
lib/sinatra/rack_date.rb
lib/sinatra/rack_runtime.rb
lib/sinatra/rack_syslog.rb

Code bellow was originaly copied from Rack::CommonLogger raw.github.com/rack/rack/master/lib/rack/commonlogger.rb

Classes and Modules

Module Rack::RespondTo
Class Rack::AcceptMediaTypes
Class Rack::BodyProxy
Class Rack::Date
Class Rack::DriverSelect
Class Rack::ETag
Class Rack::MatrixParams
Class Rack::MediaType
Class Rack::Request
Class Rack::Runtime
Class Rack::SyslogLogger

[Validate]