Issue #8982: Improve the documentation for the argparse Namespace object. (Merge...

diff --cc Doc/library/argparse.rst
Simple merge

diff --cc Misc/NEWS
index 028d248708388ea00bd3b26fbaf9d2d6a25aa9c9,5958a325179ca8031544572e298c2c37e940b635..6ab63084e147b41843e8d4ccc46ac2a8065e1032
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -292,13 -155,10 +292,15 @@@ Librar
  - Issue #10276: Fix the results of zlib.crc32() and zlib.adler32() on buffers
    larger than 4GB.  Patch by Nadeem Vawda.
  
 +- Issue #11388: Added a clear() method to MutableSequence
 +
 +- Issue #11174: Add argparse.MetavarTypeHelpFormatter, which uses type names
 +  for the names of optional and positional arguments in help messages.
 +
  - Issue #9348: Raise an early error if argparse nargs and metavar don't match.
  
+ - Issue #8982: Improve the documentation for the argparse Namespace object.
+ 
  Build
  -----