commit 0364134fc80f779381392ebe46d27dde909f0d1a
author Serhiy Storchaka <storchaka@gmail.com> Mon Aug 19 23:04:52 2013 +0300
committer Serhiy Storchaka <storchaka@gmail.com> Mon Aug 19 23:04:52 2013 +0300
tree 9061abcd3684116e1191d9abe317899863212a41
parent 34ecb118f116d4564a82bd16650d643f26ee989b

Issue #18647: A regular expression in the doctest module rewritten so that
determined minimal width of repeated subexpression is >0 (an empty line was
not matched in any case).

Lib/doctest.py

diff --git a/Lib/doctest.py b/Lib/doctest.py
index 3e563c6..efa07d7 100644
--- a/Lib/doctest.py
+++ b/Lib/doctest.py
@@ -564,7 +564,7 @@
         # Want consists of any non-blank lines that do not start with PS1.
         (?P<want> (?:(?![ ]*$)    # Not a blank line
                      (?![ ]*>>>)  # Not a line starting with PS1
-                     .*$\n?       # But any other line
+                     .+$\n?       # But any other line
                   )*)
         ''', re.MULTILINE | re.VERBOSE)