Remove the whitespace before the line if the flag is set

tests/text_quotations_test.py

@@ -700,36 +700,48 @@ def test_standard_replies():
 
 def test_split_email():
     msg = """From: Mr. X
-Date: 24 February 2016
-To: Mr. Y
-Subject: Hi
-Attachments: none
-Goodbye.
-From: Mr. Y
-To: Mr. X
-Date: 24 February 2016
-Subject: Hi
-Attachments: none
+    Date: 24 February 2016
+    To: Mr. Y
+    Subject: Hi
+    Attachments: none
+    Goodbye.
+    From: Mr. Y
+    To: Mr. X
+    Date: 24 February 2016
+    Subject: Hi
+    Attachments: none
 
-Hello.
+    Hello.
 
--- Original Message --
-On 24th February 2016 at 09.32am Conal Wrote:
-Hey!
+        On 24th February 2016 at 09.32am, Conal Wrote:
 
-> Date: Mon, 2 Apr 2012 17:44:22 +0400
-> Subject: Test
-> From: bob@xxx.mailgun.org
-> To: xxx@gmail.com; xxx@hotmail.com; xxx@yahoo.com; xxx@aol.com; xxx@comcast.net; xxx@nyc.rr.com
->
-> Hi
->
-> > From: bob@xxx.mailgun.org
-> > To: xxx@gmail.com; xxx@hotmail.com; xxx@yahoo.com; xxx@aol.com; xxx@comcast.net; xxx@nyc.rr.com
-> > Date: Mon, 2 Apr 2012 17:44:22 +0400
-> > Subject: Test
-> > Hi
+        Hey!
+
+        On Mon, 2016-10-03 at 09:45 -0600, Stangel, Dan wrote:
+        > Mohan,
+        >
+        > We have not yet migrated the systems.
+        >
+        > Dan
+        >
+        > > -----Original Message-----
+        > > Date: Mon, 2 Apr 2012 17:44:22 +0400
+        > > Subject: Test
+        > > From: bob@xxx.mailgun.org
+        > > To: xxx@gmail.com; xxx@hotmail.com; xxx@yahoo.com; xxx@aol.com; xxx@comcast.net; xxx@nyc.rr.com
+        > >
+        > > Hi
+        > >
+        > > > From: bob@xxx.mailgun.org
+        > > > To: xxx@gmail.com; xxx@hotmail.com; xxx@yahoo.com; xxx@aol.com; xxx@comcast.net; xxx@nyc.rr.com
+        > > > Date: Mon, 2 Apr 2012 17:44:22 +0400
+        > > > Subject: Test
+        > > > Hi
+        > > >
+        > >
+        >
+        >
 """
-    expected_markers = "stttttsttttetesttesmmmmmmsmmmm"
+    expected_markers = "stttttsttttetetetesmmmmmmssmmmmmmsmmmmmmmm"
     markers = quotations.split_emails(msg)
     eq_(markers, expected_markers)