from the old green snake to the new new blue and yellow snakes.

introduced with the issue19081 tests.

Py_VerboseFlag print that can never be triggered.

prefix[0] is always equal to 0 at this point in the code.

test_ns dict instead of the actual globals() and locals().  Suggested
after review by Thomas Wouters.

is present.

caches are module global in the zip_directory_cache. When it is
updated due to a changed zip file, all zipimporter instances need to
see the same updates TOC cache.  This fixes the bug for the overlooked
submodule import case from the earlier round of changes.  Includes
tests that would fail otherwise.

It also refactors zipimporter_init in the process to make it a bit
easier to read and understand.  Less reuse of the same variable for
multiple purposes and the local path buffer is malloc'ed instead
of consuming a large MAXPATHLEN+2 chunk stack space.

make it actually gives some help when clicked. Patch by Guilherme Simões.

removed even for bound methods. (Inspect.signature does, see 20401.)

Original patch by Serhiy Storchaka.

Based on patch by Claudiu Popa.

codecs.StreamReader returned incomplete data when were called after
readline() or read(size).  Based on patch by Amaury Forgeot d'Arc.

SimpleHTTPServer, imghdr, mailcap, mimetypes, xml.etree.

string representation in Tcl and Python.

It tests the convertion Tcl values to Python values when Tcl calls a command
implemented on Python. Currently all values are passed as strings.

Original patches by Edmond Burnett and Kent Johnson.

running to cope with possibility of gc running just after fork.
(Backport from 3.x.)

completely redundant. After 16638 patch, CallTips.get_argspec trims over-long
signature strings as well as docstring lines.

Idle calltips. This is needed for builtins, such 3.x bytes (which is why 5).
Based on patch by Serhiy Storchaka.