bpo-34472: Add data descriptor signature to zipfile (GH-8871)
This makes streamed zips compatible with MacOS Archive Utility and
other applications.
diff --git a/Misc/ACKS b/Misc/ACKS
index a29ff60..96563f6 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -1468,6 +1468,7 @@
Jerry Seutter
Pete Sevander
Denis Severson
+Silas Sewell
Ian Seyer
Dmitry Shachnev
Anish Shah
diff --git a/Misc/NEWS.d/next/Library/2018-08-23-09-25-08.bpo-34472.cGyYrO.rst b/Misc/NEWS.d/next/Library/2018-08-23-09-25-08.bpo-34472.cGyYrO.rst
new file mode 100644
index 0000000..208ec0b
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-08-23-09-25-08.bpo-34472.cGyYrO.rst
@@ -0,0 +1,3 @@
+Improved compatibility for streamed files in :mod:`zipfile`. Previously an
+optional signature was not being written and certain ZIP applications were
+not supported. Patch by Silas Sewell.