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+require 'rdoc'
+
+##
+# RDoc uses generators to turn parsed source code in the form of an
+# RDoc::CodeObject tree into some form of output. RDoc comes with the HTML
+# generator RDoc::Generator::Darkfish and an ri data generator
+# RDoc::Generator::RI.
+#
+# = Registering a Generator
+#
+# Generators are registered by calling RDoc::RDoc.add_generator with the class
+# of the generator:
+#
+# class My::Awesome::Generator
+# RDoc::RDoc.add_generator self
+# end
+#
+# = Adding Options to +rdoc+
+#
+# Before option processing in +rdoc+, RDoc::Options will call ::setup_options
+# on the generator class with an RDoc::Options instance. The generator can
+# use RDoc::Options#option_parser to add command-line options to the +rdoc+
+# tool. See OptionParser for details on how to add options.
+#
+# You can extend the RDoc::Options instance with additional accessors for your
+# generator.
+#
+# = Generator Instantiation
+#
+# After parsing, RDoc::RDoc will instantiate a generator by calling
+# #initialize with an RDoc::Options instance.
+#
+# RDoc will then call #generate on the generator instance and pass in an Array
+# of RDoc::TopLevel instances, each representing a parsed file. You can use
+# the various class methods on RDoc::TopLevel and in the RDoc::CodeObject tree
+# to create your desired output format.
+
+module RDoc::Generator
+end
+