From 33975eac3d03563513388c571f0704bb17e6f38b Mon Sep 17 00:00:00 2001
From: Barry Warsaw <barry@python.org>
Date: Fri, 7 Mar 2003 23:24:34 +0000
Subject: [PATCH] _split_ascii(): lstrip the individual lines in the ascii
 split lines, since we'll be adding our own continuation whitespace later.

---
 Lib/email/Header.py | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/Lib/email/Header.py b/Lib/email/Header.py
index afd815fcea4..245ffc8574b 100644
--- a/Lib/email/Header.py
+++ b/Lib/email/Header.py
@@ -416,6 +416,9 @@ def _split_ascii(s, firstlen, restlen, continuation_ws, splitchars):
     lines = []
     maxlen = firstlen
     for line in s.splitlines():
+        # Ignore any leading whitespace (i.e. continuation whitespace) already
+        # on the line, since we'll be adding our own.
+        line = line.lstrip()
         if len(line) < maxlen:
             lines.append(line)
             maxlen = restlen