Update macOS installer display files for 3.9.0a1 (GH-16765)

Mac/BuildScript/resources/ReadMe.rtf

@@ -1,4 +1,4 @@
-{\rtf1\ansi\ansicpg1252\cocoartf1671\cocoasubrtf500
+{\rtf1\ansi\ansicpg1252\cocoartf1671\cocoasubrtf600
 {\fonttbl\f0\fswiss\fcharset0 Helvetica;\f1\fswiss\fcharset0 Helvetica-Bold;\f2\fswiss\fcharset0 Helvetica-Oblique;
 \f3\fmodern\fcharset0 CourierNewPSMT;}
 {\colortbl;\red255\green255\blue255;}
@@ -11,7 +11,7 @@
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\partightenfactor0
 
 \f1\b \cf0 NOTE: 
-\f0\b0 This is a beta test preview of Python 3.8.0, the next feature release of Python 3.8.  It is not intended for production use.\
+\f0\b0 This is an alpha test preview of Python 3.9.0, the next feature release of Python 3.  It is not intended for production use.\
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
 \cf0 \
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
@@ -26,25 +26,37 @@ This package includes its own private copy of OpenSSL 1.1.1.   The trust certifi
 \f0\i0  command line utility are not used as defaults by the Python 
 \f3 ssl
 \f0  module.  A sample command script is included in 
-\f3 /Applications/Python 3.8
+\f3 /Applications/Python 3.9
 \f0  to install a curated bundle of default root certificates from the third-party 
 \f3 certifi
-\f0  package ({\field{\*\fldinst{HYPERLINK "https://pypi.org/project/certifi/"}}{\fldrslt https://pypi.org/project/certifi/}}).  If you choose to use 
-\f3 certifi
-\f0 , you should consider subscribing to the{\field{\*\fldinst{HYPERLINK "https://certifi.io/en/latest/"}}{\fldrslt  project's email update service}} to be notified when the certificate bundle is updated.\
+\f0  package ({\field{\*\fldinst{HYPERLINK "https://pypi.org/project/certifi/"}}{\fldrslt https://pypi.org/project/certifi/}}).  Double-click on 
+\f3 Install Certificates
+\f0  to run it.\
 \
 The bundled 
 \f3 pip
-\f0  included with this installer has its own default certificate store for verifying download connections.\
+\f0  has its own default certificate store for verifying download connections.\
 \
 
 \f1\b \ul Using IDLE or other Tk applications 
 \f0\b0 \ulnone \
 \
 This package includes its own private version of Tcl/Tk 8.6. It does not use any system-supplied or third-party supplied versions of Tcl/Tk.\
+\
+Due to new security checks on macOS 10.15 Catalina, when launching IDLE macOS may open a window with a message 
+\f1\b "Python" would like to access files in your Documents folder
+\f0\b0 .  This is normal as IDLE uses your 
+\f1\b Documents
+\f0\b0  folder as its default when opening and saving files; you can still choose other locations in the 
+\f1\b Open
+\f0\b0  and 
+\f1\b Save
+\f0\b0  file dialog windows.  Click on the 
+\f1\b OK
+\f0\b0  button to proceed.\
+\
 
-\f1\b \ul \
-Other changes\
+\f1\b \ul Other changes\
 
 \f0\b0 \ulnone \
 For other changes in this release, see the 
@@ -52,34 +64,4 @@ For other changes in this release, see the
 \f0\i0  section in the {\field{\*\fldinst{HYPERLINK "https://www.python.org/doc/"}}{\fldrslt Documentation Set}} for this release and its 
 \f2\i Release Notes
 \f0\i0  link at {\field{\*\fldinst{HYPERLINK "https://www.python.org/downloads/"}}{\fldrslt https://www.python.org/downloads/}}.\
-
-\f1\b \ul \
-Python 3 and Python 2 Co-existence\
-
-\f0\b0 \ulnone \
-Python.org Python $VERSION and 2.7.x versions can both be installed on your system and will not conflict. Command names for Python 3 contain a 3 in them, 
-\f3 python3
-\f0  (or
-\f3  python$VERSION
-\f0 ), 
-\f3 idle3
-\f0  (or i
-\f3 dle$VERSION
-\f0 ), 
-\f3 pip3
-\f0  (or 
-\f3 pip$VERSION
-\f0 ), etc.  Python 2.7 command names contain a 2 or no digit: 
-\f3 python2
-\f0  (or 
-\f3 python2.7
-\f0  or 
-\f3 python
-\f0 ), 
-\f3 idle2
-\f0  (or 
-\f3 idle2.7
-\f0  or 
-\f3 idle
-\f0 ), etc.\
 }