gistfile1.txt

$ bundle exec rake guides:generate WARNINGS=1; bundle exec rake guides:validate
.../.rbenv/versions/2.1.0/bin/ruby rails_guides.rb
Generating 2_2_release_notes.md as 2_2_release_notes.html
Generating 2_3_release_notes.md as 2_3_release_notes.html
Generating 3_0_release_notes.md as 3_0_release_notes.html
Generating 3_1_release_notes.md as 3_1_release_notes.html
Generating 3_2_release_notes.md as 3_2_release_notes.html
Generating 4_0_release_notes.md as 4_0_release_notes.html
Generating 4_1_release_notes.md as 4_1_release_notes.html
Generating _license.html.erb as _license.html
Generating _welcome.html.erb as _welcome.html
Generating action_controller_overview.md as action_controller_overview.html
Generating action_mailer_basics.md as action_mailer_basics.html
Generating action_view_overview.md as action_view_overview.html
Generating active_model_basics.md as active_model_basics.html
Generating active_record_basics.md as active_record_basics.html
Generating active_record_callbacks.md as active_record_callbacks.html
Generating active_record_querying.md as active_record_querying.html
Generating active_record_validations.md as active_record_validations.html
Generating active_support_core_extensions.md as active_support_core_extensions.html
Generating active_support_instrumentation.md as active_support_instrumentation.html
Generating api_documentation_guidelines.md as api_documentation_guidelines.html
Generating asset_pipeline.md as asset_pipeline.html
Generating association_basics.md as association_basics.html
Generating caching_with_rails.md as caching_with_rails.html
Generating command_line.md as command_line.html
Generating configuring.md as configuring.html
Generating contributing_to_ruby_on_rails.md as contributing_to_ruby_on_rails.html
Generating credits.html.erb as credits.html
Generating debugging_rails_applications.md as debugging_rails_applications.html
Generating development_dependencies_install.md as development_dependencies_install.html
Generating engines.md as engines.html
Generating form_helpers.md as form_helpers.html
Generating generators.md as generators.html
Generating getting_started.md as getting_started.html
Generating i18n.md as i18n.html
Generating index.html.erb as index.html
Generating initialization.md as initialization.html
Generating layout.html.erb as layout.html
Generating layouts_and_rendering.md as layouts_and_rendering.html
Generating maintenance_policy.md as maintenance_policy.html
Generating migrations.md as migrations.html
Generating nested_model_forms.md as nested_model_forms.html
Generating plugins.md as plugins.html
Generating rails_application_templates.md as rails_application_templates.html
Generating rails_on_rack.md as rails_on_rack.html
Generating routing.md as routing.html
Generating ruby_on_rails_guides_guidelines.md as ruby_on_rails_guides_guidelines.html
Generating security.md as security.html
Generating testing.md as testing.html
Generating upgrading_ruby_on_rails.md as upgrading_ruby_on_rails.html
Generating working_with_javascript_in_rails.md as working_with_javascript_in_rails.html
.../.rbenv/versions/2.1.0/bin/ruby w3c_validator.rb
...............................................

All checked guides validate OK!