- change references from configure.in to configure.ac

in the hash table internal to the pyexpat module's copy of the expat
library to avoid a denial of service due to hash collisions.
Patch by David Malcolm with some modifications by the expat project.

in the hash table internal to the pyexpat module's copy of the expat
library to avoid a denial of service due to hash collisions.
Patch by David Malcolm with some modifications by the expat project.

in the hash table internal to the pyexpat module's copy of the expat
library to avoid a denial of service due to hash collisions.
Patch by David Malcolm with some modifications by the expat project.

UnicodeEncodeError is raised for strings contains non-BMP characters.
For eval results unicode escaping is used, print() calls display
exception with traceback as usual.

The quoting of ()s inside quoted strings is allowed by the RFC, but is not
needed.  There seems to be no reason to add needless escapes.

This is a different fix than the 3.2 fix, but the new tests are the same.

This also affected smtplib.SMTP.send_message, which calls BytesParser.

This also affected smtplib.SMTP.send_message, which calls BytesParser.

Issue #13839: When invoked on the command-line, the pstats module now accepts several filenames of profile stat files and merges them all.
Patch by Matt Joiner.

Windows build is compiled with no-threaded tcl/tk by default