document that various functions that parse from source will interpret things as latin-1 (closes #18870)

Replacement is from 3.3, with 'p' added to make '...Regexp'.

This is the same change that was made in 3.x when this became an error.

Patch import and initialization in SearchEngine to make testing easier.
Improve docstrings, especially to clarify the double role of 'ok' parameters.
Original patch by Phil Webster.

Patch by A. Jesse Jiryu Davis.

sizes.

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.