Issue #17161: merge from 3.3

diff --cc Makefile.pre.in
Simple merge

diff --cc Misc/NEWS
index a805b48f1c0ee39afd87e040405289968590f875,8c8b38837a046bd45e4d3e9f5d91511d3043ed70..23d50a76c66aa71d06c63e75d27414f8ca31d2df
--- 1/Misc/NEWS
--- 2/Misc/NEWS
+++ b/Misc/NEWS
@@@ -901,6 -663,14 +901,8 @@@ Buil
    Retina displays.  Applies to Tkinter apps, such as IDLE, on OS X
    framework builds linked with Cocoa Tk 8.5.
  
 -Tools/Demos
 ------------
 -
 -- Issue #13301: use ast.literal_eval() instead of eval() in Tools/i18n/msgfmt.py
 -  Patch by Serhiy Storchaka.
 -
+ - Issue #17161: make install now also installs a python3 man page.
+ 
  Documentation
  -------------