Fix indented code blocks to line up with bullet items. Add note to "U…

…seful Information" section of Python2. Fix count of number of targets. Enumerate targets nearby the count number so that it may be updated more easily in the future.

Signed-off-by: Ken Domino <kenneth.domino@domemtech.com>

README.md

@@ -21,7 +21,9 @@
 
 ## Versioning
 
-ANTLR 4 supports 10 target languages, and ensuring consistency across these targets is a unique and highly valuable feature.
+ANTLR 4 supports 10 target languages
+(Cpp, CSharp, Dart, Java, JavaScript, PHP, Python3, Swift, TypeScript),
+and ensuring consistency across these targets is a unique and highly valuable feature.
 To ensure proper support of this feature, each release of ANTLR is a complete release of the tool and the 10 runtimes, all with the same version.
 As such, ANTLR versioning does not strictly follow semver semantics:
 
@@ -76,6 +78,11 @@ ANTLR project lead and supreme dictator for life
 * [Documentation](https://github.com/antlr/antlr4/blob/master/doc/index.md)
 * [FAQ](https://github.com/antlr/antlr4/blob/master/doc/faq/index.md)
 * [ANTLR code generation targets](https://github.com/antlr/antlr4/blob/master/doc/targets.md)<br>(Currently: Java, C#, Python3, JavaScript, Go, C++, Swift, Dart, PHP)
+* __Note: As of version 4.14, we are dropping support for Python 2. We love the Python
+community, but Python 2 support was officially halted in Jan 2020. More recently,
+GiHub also dropped support for Python 2, which has made it impossible for us to
+maintain a consistent level of quality across targets (we use GitHub for our CI).
+Long live Python 3!__
 * [Java API](http://www.antlr.org/api/Java/index.html)
 * [ANTLR v3](http://www.antlr3.org/)
 * [v3 to v4 Migration, differences](https://github.com/antlr/antlr4/blob/master/doc/faq/general.md)