Split on an exact \r\n\r\n sequence if it exists

This has been broken since 17783f8

lib/mail/message.rb

@@ -1889,7 +1889,7 @@ def text?
     # Additionally, I allow for the case where someone might have put whitespace
     # on the "gap line"
     def parse_message
-      header_part, body_part = raw_source.lstrip.split(/#{CRLF}#{WSP}*#{CRLF}(?!#{WSP})/m, 2)
+      header_part, body_part = raw_source.lstrip.split(/#{CRLF}#{CRLF}|#{CRLF}#{WSP}*#{CRLF}(?!#{WSP})/m, 2)
       self.header = header_part
       self.body   = body_part
     end

spec/fixtures/emails/plain_emails/raw_email_starting_with_space.eml

@@ -0,0 +1,27 @@
+Received: from tools02.corp.linkedin.com (172.18.46.250) by
+ esv4-cas02.linkedin.biz (172.18.46.142) with Microsoft SMTP Server id
+ 14.1.355.2; Fri, 25 Jan 2013 14:32:09 -0800
+Content-Type: text/plain; charset="us-ascii"
+Content-Transfer-Encoding: 7bit
+From: CRT Notifications <crt-notifications-noreply@linkedin.com>
+To: Example <example@example.com>
+Subject: Reverting back 46964b45b3a2d50c8c8777128a5d8f179a121b77,
+	Please refer to
+	https://mp-trunkdev-hudson.corp.linkedin.com/job/MP_TRUNKDEV_POSTCOMMIT/969/
+Message-ID: <82077049-8e7b-4f95-90e8-84da7b2f9514@ESV4-CAS02.linkedin.biz>
+Return-Path: crt-notifications-noreply@linkedin.com
+Date: Fri, 25 Jan 2013 14:32:09 -0800
+X-MS-Exchange-Organization-AuthSource: esv4-cas02.linkedin.biz
+X-MS-Exchange-Organization-AuthAs: Internal
+X-MS-Exchange-Organization-AuthMechanism: 0a
+X-Originating-IP: [172.18.46.250]
+MIME-Version: 1.0
+
+      Hello example,
+
+      Reverted back 46964b45b3a2d50c8c8777128a5d8f179a121b77, Please refer to https://mp-trunkdev-hudson.corp.linkedin.com/job/MP_TRUNKDEV_POSTCOMMIT/969/
+      The replacement revision is 127ca8c104fd96ca35edeb09dd4c706d792cb2fc.
+
+      Please make sure that the issue is fixed when you recommit your changes.
+
+      Thanks.

spec/mail/example_emails_spec.rb

@@ -275,6 +275,17 @@
 
     end
 
+    describe "raw_email_starting_with_space.eml" do
+
+      before(:each) do
+        @message = Mail::Message.new(File.read(fixture('emails', 'plain_emails', 'raw_email_starting_with_space.eml')))
+      end
+
+      it "should parse the body" do
+        @message.body.should =~ /Reverted/
+      end
+    end
+
     describe "sig_only_email.eml" do
       before(:each) do
         @message = Mail.read(fixture('emails', 'mime_emails', 'sig_only_email.eml'))