Issue #16039: CVE-2013-1752: Change use of readline in imaplib module to limit
line length.  Patch by Emil Lind.
Issue #19405: Fixed outdated comments in the _sre module.
Issue #19405: Fixed outdated comments in the _sre module.
Issue #17997: Change behavior of ``ssl.match_hostname()`` to follow RFC 6125,
for security reasons.  It now doesn't match multiple wildcards nor wildcards
inside IDN fragments.
Issue #19329: Optimized compiling charsets in regular expressions.
Issue #16041: CVE-2013-1752: poplib: Limit maximum line lengths to 2048 to
prevent readline() calls from consuming too much memory.  Patch by Jyrki
Pulliainen.
Issue #16040: CVE-2013-1752: nntplib: Limit maximum line lengths to 2048 to
prevent readline() calls from consuming too much memory.  Patch by Jyrki
Pulliainen.
Issue #16037: HTTPMessage.readheaders() raises an HTTPException when more than
100 headers are read.  Adapted from patch by Jyrki Pulliainen.
merge
merge with 3.3
Issue #19227: Try to fix deadlocks caused by re-seeding then OpenSSL
pseudo-random number generator on fork().
#19227: merge with 3.3
Update pydoc topics.
Fix markup errors in the docs and amend suspicious ignores.
Bump to 3.3.3rc1.
Skip overzealous test for existence of the online license.html for pre-release versions.
Added tag v3.3.3rc1 for changeset fd53c500f8b8
merge with 3.3
Issue #19390: Argument Clinic no longer accepts malformed Python and C ids.
Fixed merge test for Tcl/Tk <8.5 (issue #18964).