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-rw-r--r--railties/lib/rails/info.rb3
1 files changed, 3 insertions, 0 deletions
diff --git a/railties/lib/rails/info.rb b/railties/lib/rails/info.rb
index 357aebf584..94ede76932 100644
--- a/railties/lib/rails/info.rb
+++ b/railties/lib/rails/info.rb
@@ -1,6 +1,9 @@
require "cgi"
module Rails
+ # This module helps build the runtime properties used to display in the
+ # Rails::InfoController responses. Including the active Rails version, Ruby
+ # version, Rack version, and so on.
module Info
mattr_accessor :properties
class << (@@properties = [])