Branch merge

diff --cc Misc/NEWS
index 514d19afedd2846b200449593c3fb6e244cced54,f9eb1cd1dc1cf02f883bcaafc751b67d744b8dbf..25bbf3f998f78a89225ab74a71214572788457c2
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -28,8 -28,9 +28,11 @@@ Core and Builtin
  Library
  -------
  
+ - Issue #8286: The distutils command sdist will print a warning message instead
+   of crashing when an invalid path is given in the manifest template.
+ 
 +- Issue #12878: Expose a __dict__ attribute on io.IOBase and its subclasses.
 +
  - Issue #12636: IDLE reads the coding cookie when executing a Python script.
  
  - Issue #10946: The distutils commands bdist_dumb, bdist_wininst and bdist_msi