autodetect Python 3.6 on the basis of underscores (#461)

[etc/vim.git] / README.md

diff --git a/README.md b/README.md
index 96a24a1eb4ac1d63534ebf8a9cec06d45599a15a..9cb4f18c901e60c29e387c189d8e7bdeb6f81797 100644 (file)
--- a/README.md
+++ b/README.md
@@ -371,6 +371,12 @@ human-readable strings"](https://stackoverflow.com/a/56190)), you can
 pass `--skip-string-normalization` on the command line.  This is meant as
 an adoption helper, avoid using this for new projects.
 
+### Numeric literals
+
+*Black* standardizes all numeric literals to use lowercase letters: `0xab`
+instead of `0XAB` and `1e10` instead of `1E10`. In Python 3.6+, *Black*
+adds underscores to long numeric literals to aid readability: `100000000`
+becomes `100_000_000`.
 
 ### Line breaks & binary operators
 
@@ -843,6 +849,8 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
 
 ### 18.8b0
 
+* code with `_` in numeric literals is recognized as Python 3.6+ (#461)
+
 * numeric literals are now normalized to include `_` separators on Python 3.6+ code
   (#452)