Issue #6784: Strings from Python 2 can now be unpickled as bytes objects.

Initial patch by Merlijn van Deen.

I've added a few unrelated docstring fixes in the patch while I was at
it, which makes the documentation for pickle a bit more consistent.
diff --git a/Misc/ACKS b/Misc/ACKS
index 5e60f9b..798aaa0 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -293,6 +293,7 @@
 Jonathan Dasteel
 Pierre-Yves David
 A. Jesse Jiryu Davis
+Merlijn van Deen
 John DeGood
 Ned Deily
 Vincent Delft
diff --git a/Misc/NEWS b/Misc/NEWS
index 58c4eec..f623a19 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -23,6 +23,10 @@
 
 - Issue #19296: Silence compiler warning in dbm_open
 
+- Issue #6784: Strings from Python 2 can now be unpickled as bytes
+  objects by setting the encoding argument of Unpickler to be 'bytes'.
+  Initial patch by Merlijn van Deen.
+
 - Issue #19839: Fix regression in bz2 module's handling of non-bzip2 data at
   EOF, and analogous bug in lzma module.