bpo-21475: Support the Sitemap extension in robotparser (GH-6883)

diff --git a/Misc/ACKS b/Misc/ACKS
index 665b4dd..5c05ee7 100644
--- a/Misc/ACKS
+++ b/Misc/ACKS
@@ -109,6 +109,7 @@
 Mike Bayer
 Samuel L. Bayer
 Bo Bayles
+Christopher Beacham AKA Lady Red
 Tommy Beadle
 Donald Beaudry
 David Beazley
@@ -1760,6 +1761,7 @@
 Blake Winton
 Jean-Claude Wippler
 Stéphane Wirtel
+Peter Wirtz
 Lars Wirzenius
 John Wiseman
 Chris Withers
diff --git a/Misc/NEWS.d/next/Library/2018-05-15-15-03-48.bpo-28612.E9dz39.rst b/Misc/NEWS.d/next/Library/2018-05-15-15-03-48.bpo-28612.E9dz39.rst
new file mode 100644
index 0000000..e3e8f16
--- /dev/null
+++ b/Misc/NEWS.d/next/Library/2018-05-15-15-03-48.bpo-28612.E9dz39.rst
@@ -0,0 +1,3 @@
+Added support for Site Maps to urllib's ``RobotFileParser`` as
+:meth:`RobotFileParser.site_maps() <urllib.robotparser.RobotFileParser.site_maps>`.
+Patch by Lady Red, based on patch by Peter Wirtz.