Remove many "versionchanged" items that didn't use the official markup,
but just some text embedded in the docs.
Also remove paragraph about implicit relative imports from tutorial.
diff --git a/Doc/library/netrc.rst b/Doc/library/netrc.rst
index e6cc648..91990df 100644
--- a/Doc/library/netrc.rst
+++ b/Doc/library/netrc.rst
@@ -66,9 +66,8 @@
.. note::
- Passwords are limited to a subset of the ASCII character set. Versions of
- this module prior to 2.3 were extremely limited. Starting with 2.3, all
- ASCII punctuation is allowed in passwords. However, note that whitespace and
+ Passwords are limited to a subset of the ASCII character set. All ASCII
+ punctuation is allowed in passwords, however, note that whitespace and
non-printable characters are not allowed in passwords. This is a limitation
of the way the .netrc file is parsed and may be removed in the future.