Changeset 50803d881a92 left a new dangling head on 2.6, and the
change was applied separately to 2.7 in changeset 1cd24ea5abeb.

preexec_fn callback, which may open file descriptors.

properly handled as unsigned.

thanks to Vajrasky Kok for proof-reading.

  inside subjectAltName correctly. Formerly the module has used OpenSSL's
  GENERAL_NAME_print() function to get the string represention of ASN.1
  strings for `rfc822Name` (email), `dNSName` (DNS) and
  `uniformResourceIdentifier` (URI).

argument.

This is needed for support Tcl/Tk 8.6.

fork() is suppose to be async-signal safe but the handler calls unsafe functions. A parent handler mitigates the issue.

Issue #18792: Use "127.0.0.1" or "::1" instead of "localhost" as much as possible, since "localhost" goes through a DNS lookup under recent Windows versions.

and tuples in the tkinter module.

module will be called in a deterministic order.

A pthread_atfork() child handler is used to seeded the PRNG with pid, time
and some stack data.

issue 16248.

RuntimeError exception.  Patch by Christian Schubert.

error handler on 64-bit platforms.  Patch by Yogesh Chaudhari.

Patch by Meador Inge.

See also issue #18647.

determined minimal width of repeated subexpression is >0 (an empty line was
not matched in any case).

Now max width is MAXREPEAT on 32- and 64-bit platforms when one of
subexpressions is unbounded repetition.

OpenSSL 1.0.0+ instead of the deprecated CRYPTO id callback function.

(original patch by Phil Webster).