Issue #7078: _struct.__doc__ was being ignored. Import it into struct.
Also add description of '?' struct format character. Thanks Gabriel
Genellina for the patch.
diff --git a/Misc/NEWS b/Misc/NEWS
index cbd3040..f1fad86 100644
--- a/Misc/NEWS
+++ b/Misc/NEWS
@@ -1370,6 +1370,8 @@
Extension Modules
-----------------
+- Issue #7078: Set struct.__doc__ from _struct.__doc__.
+
- Issue #3366: Add gamma function to math module.
- Issue #6823: Allow time.strftime() to accept a tuple with a isdst field