X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/188c31db7c831741e69b067c53dd040917ac03f7..8f380911e0cd8057bd9a1f0c418d81195ce858a3:/README.md

diff --git a/README.md b/README.md
index aa2d059..9060dfa 100644
--- a/README.md
+++ b/README.md
@@ -844,6 +844,14 @@ Options:
   -h, --help                      Show this message and exit.
 ```
 
+There is no official blackd client tool (yet!). You can test that blackd is
+working using `curl`:
+
+```
+blackd --bind-port 9090 &  # or let blackd choose a port
+curl -s -XPOST "localhost:9090" -d "print('valid')"
+```
+
 ### Protocol
 
 `blackd` only accepts `POST` requests at the `/` path. The body of the request
@@ -902,7 +910,7 @@ Then run `pre-commit install` and you're ready to go.
 
 Avoid using `args` in the hook.  Instead, store necessary configuration
 in `pyproject.toml` so that editors and command-line usage of Black all
-behave consistently for your project.  See *Black*'s own `pyproject.toml`
+behave consistently for your project.  See *Black*'s own [pyproject.toml](/pyproject.toml)
 for an example.
 
 If you're already using Python 3.7, switch the `language_version`
@@ -925,12 +933,17 @@ is:
 `file-mode` is an int flag that determines whether the file was formatted as 3.6+ only,
 as .pyi, and whether string normalization was omitted.
 
+To override the location of these files on macOS or Linux, set the environment variable
+`XDG_CACHE_HOME` to your preferred location. For example, if you want to put the cache in
+the directory you're running *Black* from, set `XDG_CACHE_HOME=.cache`. *Black* will then
+write the above files to `.cache/black/<version>/`.
 
 ## Used by
 
 The following notable open-source projects trust *Black* with enforcing
 a consistent code style: pytest, tox, Pyramid, Django Channels, Hypothesis,
-attrs, SQLAlchemy, Poetry, PyPA applications (Warehouse, Pipenv, virtualenv).
+attrs, SQLAlchemy, Poetry, PyPA applications (Warehouse, Pipenv, virtualenv),
+every Datadog Agent Integration.
 
 Are we missing anyone?  Let us know.
 
@@ -1026,6 +1039,9 @@ More details can be found in [CONTRIBUTING](CONTRIBUTING.md).
 * fixed bug that led *Black* format some code with a line length target
   of 1 (#762)
 
+* *Black* no longer introduces quotes in f-string subexpressions on string
+  boundaries (#863)
+
 
 ### 19.3b0