Ticket #7682: better_document_exempt.diff

actionpack/lib/action_controller/mime_responds.rb

@@ -97 +97 @@
-      # environment.rb as follows.
-      #
-      #   Mime::Type.register "image/jpg", :jpg
+      #
+      # Note that if you want to exempt a particular format (like rxml) from a template, you'll need to use
+      # ActionController::Base.exempt_from_layout, as follows.
+      #
+      #  class FooController < ApplicationController
+      #    exempt_from_layout :rxml
+      #
+      #    def foo
+      #      respond_to do |format|
+      #        format.html
+      #        format.xml
+      #      end
+      #    end
+      #  end
-      def respond_to(*types, &block)
-        raise ArgumentError, "respond_to takes either types or a block, never both" unless types.any? ^ block
-        block ||= lambda { |responder| types.each { |type| responder.send(type) } }