Merge from remote

diff --cc Misc/NEWS
index f2d0d7658911f5ff752c075ca5d965143dde7527,c787fedbaba7713cf9a7e7c4d3b4b05058c9554e..1bce6681c619eb908940b93259cbb0e4ab4ead9e
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -40,8 -40,9 +40,11 @@@ Core and Builtin
  Library
  -------
  
 +- Issue #11577: fix ResourceWarning triggered by improved binhex test coverage
 +
+ - Issue #11243: fix the parameter querying methods of Message to work if
+   the headers contain un-encoded non-ASCII data.
+ 
  - Issue #11401: fix handling of headers with no value; this fixes a regression
    relative to Python2 and the result is now the same as it was in Python2.