It's useless, tests are now discovered automatically.

Patch by Meador Inge.

copy of libz exists in $HOME/lib or /usr/local/lib.

Also removes a mention of using "Express Edition with the Windows SDK
64-bit compilers" to build 64-bit Python.  If that can be made to work,
it will need some extra instructions somewhere.

non-framework builds and for all variants of Tk.

to parse more than one XML document per pyexpat xmlparser instance.
(Original patches by Hirokazu Yamamoto and Amaury Forgeot d'Arc, with
suggested wording by David Gutteridge)

Patch by Jeremiah Lowin. Closes #20817.

... for missing keyword-only arguments. Patch by Jeremiah Lowin.
Closes #20816.

test_urllibnet.test_fileno intermittent failures with www.example.com.

failures when ssl is not present.

    68335b8afb1f 3.4
    ad0c75b7bd7d default

Previously a non-string, non-regex second argument and missing callable
argument could cause the test to appear to always pass.

Initial patch by Kamilla Holanda.

Remove useless test and unused variables. Initial patch by Andreas Schwab.