Fix document formatting on ActionMailbox [ci skip]

Use `+` instead of backquote.

4 files changed, 20 insertions, 20 deletions

diff --git a/actionmailbox/lib/action_mailbox/base.rb b/actionmailbox/lib/action_mailbox/base.rb
index 4ac594b9f8..ff8587acd1 100644
--- a/actionmailbox/lib/action_mailbox/base.rb
+++ b/actionmailbox/lib/action_mailbox/base.rb
@@ -7,7 +7,7 @@ require "action_mailbox/routing"
 
 module ActionMailbox
   # The base class for all application mailboxes. Not intended to be inherited from directly. Inherit from
-  # `ApplicationMailbox` instead, as that's where the app-specific routing is configured. This routing
+  # +ApplicationMailbox+ instead, as that's where the app-specific routing is configured. This routing
   # is specified in the following ways:
   #
   #   class ApplicationMailbox < ActionMailbox::Base
@@ -27,15 +27,15 @@ module ActionMailbox
   #     routing :all => :backstop
   #   end
   #
-  # Application mailboxes need to overwrite the `#process` method, which is invoked by the framework after
-  # callbacks have been run. The callbacks available are: `before_processing`, `after_processing`, and
-  # `around_processing`. The primary use case is ensure certain preconditions to processing are fulfilled
-  # using `before_processing` callbacks.
+  # Application mailboxes need to overwrite the +#process+ method, which is invoked by the framework after
+  # callbacks have been run. The callbacks available are: +before_processing+, +after_processing+, and
+  # +around_processing+. The primary use case is ensure certain preconditions to processing are fulfilled
+  # using +before_processing+ callbacks.
   #
-  # If a precondition fails to be met, you can halt the processing using the `#bounced!` method,
+  # If a precondition fails to be met, you can halt the processing using the +#bounced!+ method,
   # which will silently prevent any further processing, but not actually send out any bounce notice. You
   # can also pair this behavior with the invocation of an Action Mailer class responsible for sending out
-  # an actual bounce email. This is done using the `#bounce_with` method, which takes the mail object returned
+  # an actual bounce email. This is done using the +#bounce_with+ method, which takes the mail object returned
   # by an Action Mailer method, like so:
   #
   #   class ForwardsMailbox < ApplicationMailbox
@@ -50,12 +50,12 @@ module ActionMailbox
   #   end
   #
   # During the processing of the inbound email, the status will be tracked. Before processing begins,
-  # the email will normally have the `pending` status. Once processing begins, just before callbacks
-  # and the `#process` method is called, the status is changed to `processing`. If processing is allowed to
-  # complete, the status is changed to `delivered`. If a bounce is triggered, then `bounced`. If an unhandled
-  # exception is bubbled up, then `failed`.
+  # the email will normally have the +pending+ status. Once processing begins, just before callbacks
+  # and the +#process+ method is called, the status is changed to +processing+. If processing is allowed to
+  # complete, the status is changed to +delivered+. If a bounce is triggered, then +bounced+. If an unhandled
+  # exception is bubbled up, then +failed+.
   #
-  # Exceptions can be handled at the class level using the familiar `Rescuable` approach:
+  # Exceptions can be handled at the class level using the familiar +Rescuable+ approach:
   #
   #   class ForwardsMailbox < ApplicationMailbox
   #     rescue_from(ApplicationSpecificVerificationError) { bounced! }
diff --git a/actionmailbox/lib/action_mailbox/router/route.rb b/actionmailbox/lib/action_mailbox/router/route.rb
index b681eb7ea8..7e98e83382 100644
--- a/actionmailbox/lib/action_mailbox/router/route.rb
+++ b/actionmailbox/lib/action_mailbox/router/route.rb
@@ -2,7 +2,7 @@
 
 module ActionMailbox
   # Encapsulates a route, which can then be matched against an inbound_email and provide a lookup of the matching
-  # mailbox class. See examples for the different route addresses and how to use them in the `ActionMailbox::Base`
+  # mailbox class. See examples for the different route addresses and how to use them in the +ActionMailbox::Base+
   # documentation.
   class Router::Route
     attr_reader :address, :mailbox_name
diff --git a/actionmailbox/lib/action_mailbox/routing.rb b/actionmailbox/lib/action_mailbox/routing.rb
index 1ea96c8a9d..58462a44c6 100644
--- a/actionmailbox/lib/action_mailbox/routing.rb
+++ b/actionmailbox/lib/action_mailbox/routing.rb
@@ -1,7 +1,7 @@
 # frozen_string_literal: true
 
 module ActionMailbox
-  # See `ActionMailbox::Base` for how to specify routing.
+  # See +ActionMailbox::Base+ for how to specify routing.
   module Routing
     extend ActiveSupport::Concern
 
diff --git a/actionmailbox/lib/action_mailbox/test_helper.rb b/actionmailbox/lib/action_mailbox/test_helper.rb
index 02c52fb779..0ec9152844 100644
--- a/actionmailbox/lib/action_mailbox/test_helper.rb
+++ b/actionmailbox/lib/action_mailbox/test_helper.rb
@@ -4,38 +4,38 @@ require "mail"
 
 module ActionMailbox
   module TestHelper
-    # Create an `InboundEmail` record using an eml fixture in the format of message/rfc822
+    # Create an +InboundEmail+ record using an eml fixture in the format of message/rfc822
     # referenced with +fixture_name+ located in +test/fixtures/files/fixture_name+.
     def create_inbound_email_from_fixture(fixture_name, status: :processing)
       create_inbound_email_from_source file_fixture(fixture_name).read, status: status
     end
 
-    # Create an `InboundEmail` by specifying it using `Mail.new` options. Example:
+    # Create an +InboundEmail+ by specifying it using +Mail.new+ options. Example:
     #
     #   create_inbound_email_from_mail(from: "david@loudthinking.com", subject: "Hello!")
     def create_inbound_email_from_mail(status: :processing, **mail_options)
       create_inbound_email_from_source Mail.new(mail_options).to_s, status: status
     end
 
-    # Create an `InboundEmail` using the raw rfc822 `source` as text.
+    # Create an +InboundEmail+ using the raw rfc822 +source+ as text.
     def create_inbound_email_from_source(source, status: :processing)
       ActionMailbox::InboundEmail.create_and_extract_message_id! source, status: status
     end
 
 
-    # Create an `InboundEmail` from fixture using the same arguments as `create_inbound_email_from_fixture`
+    # Create an +InboundEmail+ from fixture using the same arguments as +create_inbound_email_from_fixture+
     # and immediately route it to processing.
     def receive_inbound_email_from_fixture(*args)
       create_inbound_email_from_fixture(*args).tap(&:route)
     end
 
-    # Create an `InboundEmail` from fixture using the same arguments as `create_inbound_email_from_mail`
+    # Create an +InboundEmail+ from fixture using the same arguments as +create_inbound_email_from_mail+
     # and immediately route it to processing.
     def receive_inbound_email_from_mail(**kwargs)
       create_inbound_email_from_mail(**kwargs).tap(&:route)
     end
 
-    # Create an `InboundEmail` from fixture using the same arguments as `create_inbound_email_from_source`
+    # Create an +InboundEmail+ from fixture using the same arguments as +create_inbound_email_from_source+
     # and immediately route it to processing.
     def receive_inbound_email_from_source(**kwargs)
       create_inbound_email_from_source(**kwargs).tap(&:route)