Mention RabbitMQ extensions [to AMQP 0.9.1] support

.yardopts

@@ -2,4 +2,5 @@
 --protected
 --markup="textile" lib/**/*.rb
 -
-LICENSE
+LICENSE
+docs/*.textile

docs/VendorSpecificExtensions.textile

@@ -0,0 +1,32 @@
+h1. Vendor-specific AMQP extensions support in amqp gem
+
+h2. RabbitMQ extensions
+
+h3. Supported extensions
+
+AMQP gem supports two "RabbitMQ extensions to AMQP 0.9.1":
+
+* "Publisher confirmations":http://www.rabbitmq.com/extensions.html#confirms (confirm.* class)
+* "Negative acknowledgements":http://www.rabbitmq.com/extensions.html#negative-acknowledgements (basic.nack)
+
+h3. Enabling RabbitMQ extensions
+
+If you are using RabbitMQ as AMQP broker and want to use these extensions, simply replace
+
+<pre>require "amqp"</pre>
+
+with
+
+<pre>
+require "amqp"
+require "amqp/extensions/rabbitmq"
+</pre>
+
+h3. Example of using publisher confirmations
+
+<script src="https://gist.github.com/923599.js?file=rabbitmq_publisher_confirmations_with_amqp_gem_0.8.0.rb"></script>
+
+
+h3. Documentation
+
+RabbitMQ extensions documentation is part of "amq-client gem documentation":http://rubydoc.info/github/ruby-amqp/amq-client/master/frames

examples/extensions/rabbitmq/publisher_confirmations_with_transient_messages.rb

@@ -37,7 +37,7 @@
         puts "Publishing message ##{i}"
         x.publish("Message ##{i}")
       end
-    end    
+    end
   end
 
   show_stopper = Proc.new {

lib/amqp/channel.rb

@@ -14,6 +14,12 @@ module AMQP
   # with other channels, the available bandwidth being shared between the concurrent activities.
   #
   #
+  # h2. RabbitMQ extensions.
+  #
+  # AMQP gem supports several RabbitMQ extensions taht extend Channel functionality.
+  # Learn more in {file:docs/VendorSpecificExtensions.textile}
+  #
+  #
   # h2. Key methods
   #
   # Key methods of Channel class are

lib/amqp/exchange.rb

@@ -127,6 +127,12 @@ module AMQP
   # Note that *only durable queues can be bound to durable exchanges*.
   #
   #
+  # h2. RabbitMQ extensions.
+  #
+  # AMQP gem supports several RabbitMQ extensions taht extend Exchange functionality.
+  # Learn more in {file:docs/VendorSpecificExtensions.textile}
+  #
+  #
   # h2. Key methods
   #
   # Key methods of Exchange class are