#14897: Enhance error messages of struct.pack and struct.pack_into

Patch by Matti Mäki.

diff --cc Misc/ACKS
Simple merge

diff --cc Misc/NEWS
index 13e3669d27e31c06336c85c8bd24b945812db859,76d4ad9b13ba677f4bebc14a1a5a7dc5815f0b05..04e9f30f3bc1365af7035e3d9c4f2523887afd22
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -62,9 -49,9 +62,12 @@@ Core and Builtin
  Library
  -------
  
+ - Issue #14897: Enhance error messages of struct.pack and
+   struct.pack_into. Patch by Matti Mäki.
+ 
 +- Issue #16316: mimetypes now recognizes the .xz and .txz (.tar.xz) extensions.
 +  Patch by Serhiy Storchaka.
 +
  - Issue #12890: cgitb no longer prints spurious <p> tags in text
    mode when the logdir option is specified.
  

diff --cc Modules/_struct.c
Simple merge