#19067: use imperative mood in range object docstrings.  Patch by Marco Buttu.
#19068: use imperative mood in complex object docstrings.  Patch by Marco Buttu.
#19069: use imperative mood in float object docstrings.  Patch by Marco Buttu.
Issue #19171:  speed some cases of 3-argument long pow().

Reduce the base by the modulus when the base is larger than
the modulus.  This can unboundedly speed the "startup costs"
of doing modular exponentiation, particularly in cases where
the base is much larger than the modulus.  Original patch
by Armin Rigo, inspired by https://github.com/pyca/ed25519.
Minor clean-up of function parameters in random().
Issue 14927: Remove a docstring line that is no longer applicable.
Fix ZeroDivisionError message (reported by Pavel Fedotov on docs@)
Fix "customer timer" -> "custom timer" (reported by Kirk Strauser on docs@)
Fix: Element.text is an attribute, not a method (report by Cameron Laird on docs@)
Remove dead link to effbot Tkinter introduction material (reported by Ralf Ganswindt from docs@)
Remove newline in method that makes it possible to copy example to the interactive interpreter.
Fix markup to not add parens to the "hashlib.md5" constructor when the object is meant, not the call.
Fix prefix_chars not being applied in help text example (reported by John Kooker on docs@)
Clarify docs for os.path.getctime on Unix: it is the inode (metadata) change time
curses HOWTO: fix some PEP8 and a code example to actually raise the exception it promises.
Fix small copy-paste typo in ossaudiodev setparameters() example (found by Ken Housley on docs@).
Closes #18646: improve lambda docs in tutorial.  Original patch by Terry Reedy.
Use "lambda expression" as preferred to "lambda form".
Closes #18927: Lock.acquire only accepts -1 or positive values for timeout.
Closes #13951: Add a "faulthandler" reference in the ctypes docs talking about crashes.