Update macOS installer reader for 3.7.8

Author: ned-deily

Mac/BuildScript/resources/ReadMe.rtf

@@ -1,4 +1,4 @@
-{\rtf1\ansi\ansicpg1252\cocoartf2511
+{\rtf1\ansi\ansicpg1252\cocoartf2513
 \cocoatextscaling0\cocoaplatform0{\fonttbl\f0\fswiss\fcharset0 Helvetica;\f1\fswiss\fcharset0 Helvetica-Bold;\f2\fswiss\fcharset0 Helvetica-Oblique;
 \f3\fmodern\fcharset0 CourierNewPSMT;}
 {\colortbl;\red255\green255\blue255;}
@@ -35,7 +35,7 @@ The bundled
 \
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
 
-\f1\b \cf0 \ul \ulc0 Which installer variant should I use?
+\f1\b \cf0 \ul Which installer variant should I use?
 \f0\b0 \ulnone \
 \
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\partightenfactor0
@@ -46,7 +46,7 @@ The bundled
 \f0\b0 variant  is no longer provided.   \
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
 
-\f1\b \cf0 \ul \ulc0 \
+\f1\b \cf0 \ul \
 Using IDLE or other Tk applications 
 \f0\b0 \ulnone \
 \
@@ -63,13 +63,33 @@ Due to new security checks on macOS 10.15 Catalina, when launching IDLE macOS ma
 \f0\b0  file dialog windows.  Click on the 
 \f1\b OK
 \f0\b0  button to proceed.\
+
+\f1\b \ul \
+Python 2.7 end-of-life [changed in 3.7.8]\
+\
 \pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
 
-\f1\b \cf0 \ul \ulc0 \
+\f0\b0 \cf0 \ulnone Python 2.7 has now reached end-of-life. As of Python 3.7.8, the 
+\f3 Python Launcher
+\f0  app now has 
+\f3 python3
+\f0  factory defaults.  Also, the 
+\f3 Current
+\f0  link in the 
+\f3 /Library/Frameworks/Python.framework/Versions
+\f0  directory is now updated to point to the Python 3 being installed; previously, only Python 2 installs updated 
+\f3 Current
+\f0 .  This change might affect developers using the framework to embed Python in their applications.  If another version is desired for embedding, the 
+\f3 Current
+\f0  symlink can be changed manually without affecting 3.7.x behavior.\
+\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
+
+\f1\b \cf0 \ul \
 Other changes\
 \
+\pard\tx720\tx1440\tx2160\tx2880\tx3600\tx4320\tx5040\tx5760\tx6480\tx7200\tx7920\tx8640\pardirnatural\partightenfactor0
 
-\f0\b0 \ulnone For other changes in this release, see the 
+\f0\b0 \cf0 \ulnone For other changes in this release, see the 
 \f2\i What's new
 \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