Merge branch 'master' of github.com:rust-lang/rustfmt into feat/#6063/…

…use-semver-to-check-required-version

Configurations.md

@@ -3105,9 +3105,9 @@ fn main() {
 
 ## `version`
 
-Which version of the formatting rules to use. `Version::One` is backwards-compatible
-with Rustfmt 1.0. Other versions are only backwards compatible within a major
-version number.
+This option is deprecated and has been replaced by [`style_edition`](#style_edition).
+`version = "One"` is equivalent to `style_edition = "(2015|2018|2021)"` and
+`version = "Two"` is equivalent to `style_edition = "2024"`
 
 - **Default value**: `One`
 - **Possible values**: `One`, `Two`

src/config/config_type.rs

@@ -571,7 +571,11 @@ macro_rules! create_config {
 
                 eprintln!(
                     "Warning: the `version` option is deprecated. \
-                    Use `style_edition` instead."
+                    Use `style_edition=\"{0}\"` instead.",
+                    match self.version.2 {
+                        Version::One => "2015",
+                        Version::Two => "2024",
+                    }
                 );
 
                 if self.was_set().style_edition() || self.was_set_cli().style_edition() {