commit 1346e83eb037ffc03c72d2fdc6da395acef9bc1b
author Guido van Rossum <guido@python.org> Mon Oct 15 18:44:26 2001 +0000
committer Guido van Rossum <guido@python.org> Mon Oct 15 18:44:26 2001 +0000
tree dd4922913a54cc025380a014f11ff4852d7b7447
parent 5aace07fe00d36fc0bf639ef38c3fc7cdc87eeea

Patch 471400: escape single-dot lines; by Jason Hildebrand.

RFC 2049 recommends never outputting a line consisting of a single
dot.

Lib/quopri.py

diff --git a/Lib/quopri.py b/Lib/quopri.py
index 6d7cdd6..edee3d9 100755
--- a/Lib/quopri.py
+++ b/Lib/quopri.py
@@ -61,6 +61,8 @@
         # that trailing character encoded.
         if s and s[-1:] in ' \t':
             output.write(s[:-1] + quote(s[-1]) + lineEnd)
+        elif s == '.':
+            output.write(quote(s) + lineEnd)
         else:
             output.write(s + lineEnd)