From c8ae5dedb3deddaf35f6345da894ae26d156bf27 Mon Sep 17 00:00:00 2001
From: brotzeit <brotzeitmacher@gmail.com>
Date: Fri, 25 Feb 2022 18:32:44 +0100
Subject: mention optional features

---
 README.md | 13 +++++++++++++
 1 file changed, 13 insertions(+)

(limited to 'README.md')

diff --git a/README.md b/README.md
index 40f7037..85d3ae9 100644
--- a/README.md
+++ b/README.md
@@ -30,6 +30,7 @@
         - [cargo.el](#cargoel)
         - [cargo-mode](#cargo-mode)
         - [rustic](#rustic)
+    - [Optional features](#optional-features)
     - [For package maintainers](#for-package-maintainers)
         - [Tests](#tests)
     - [Contributing](#contributing)
@@ -233,6 +234,18 @@ post](https://www.badykov.com/emacs/2021/05/29/emacs-cargo-mode/).
 extending it with other features such as integration with LSP and with
 flycheck.
 
+## Optional features
+
+The features of the following files can be disabled with `rust-load-optional-libraries`.
+
+- rust-cargo.el
+- rust-compile.el
+- rust-playpen.el
+- rust-rustfmt.el
+
+They are disabled by default when you use rustic as it has its own implementations
+for those features.
+
 ## Customization
 
 `rust-cargo-default-arguments` set additional cargo args used for check,compile,run,test
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