MERGE: Closes #14768: os.path.expanduser('~/a') doesn't works correctly when HOME...

diff --cc Lib/test/test_posixpath.py
Simple merge

diff --cc Misc/ACKS
index 6e38038bce2b3c071379ada26ee735f6a0b5d162,780c06fd5e9c47ea973e21eb378578644c8a5a0a..c7dc2f4098ca56117dc5bc399395b19aada17ffa
--- 1/Misc/ACKS
--- 2/Misc/ACKS
+++ b/Misc/ACKS
@@@ -331,12 -306,10 +331,13 @@@ Michael Foor
  Amaury Forgeot d'Arc
  Doug Fort
  John Fouhy
 +Andrew Francis
  Martin Franklin
 +Bruce Frederiksen
  Robin Friedrich
+ Bradley Froehle
  Ivan Frohne
 +Matthias Fuchs
  Jim Fulton
  Tadayoshi Funaba
  Gyro Funch

diff --cc Misc/NEWS
index 0850336c90f35e39e019888905939fa39e4586e7,c4901b02a78cc0f8a08c7f963f73ebf2c6283465..9109bf4ac0a9e95ad0ac0e6caf36568a59fcd14b
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -137,9 -43,34 +137,11 @@@ Core and Builtin
  Library
  -------
  
 -- Issue #14768: os.path.expanduser('~/a') doesn't works correctly when HOME is '/'.
 -
 -- Issue #14741: Fix missing support for Ellipsis ('...') in parser module.
 +- Issue #13815: TarFile.extractfile() now returns io.BufferedReader objects.
  
 -- Issue #14697: Fix missing support for set displays and set comprehensions in
 -  parser module.
++- Issue #14768: os.path.expanduser('~/a') doesn't works correctly when HOME is '/'.
+ 
 -- Issue #14701: Fix missing support for 'raise ... from' in parser module.
 +- Issue #14371: Support bzip2 in zipfile module.  Patch by Serhiy Storchaka.
  
  - Issue #13183: Fix pdb skipping frames after hitting a breakpoint and running
    step.  Patch by Xavier de Gaye.