Broken link on PEP 3104 page

[jraman]

Describe the bug
The following reference link on the PEP 3104 page is broken:
http://www.python.org/search/hypermail/python-1994q1/0301.html

To Reproduce
Steps to reproduce the behavior:

1. Go to https://www.python.org/dev/peps/pep-3104/
2. Click on the link in the first reference. The link is: http://www.python.org/search/hypermail/python-1994q1/0301.html
3. The following error is seen: Error 404: File not Found

Expected behavior
Expected to go to a page such as this one and not see the 404 error.

Desktop (please complete the following information):

• OS: Mac OS 10.13.6
• Browser: Chrome
• Version: 71.0.3578.98

[Mariatta]

Thank you. This issue is better raised at the PEPs repo at https://github.com/python/peps
Would you mind opening the issue there? Thanks.

[jraman]

Done. python/peps#897

[Mariatta]

Thanks.