use raw string literal

mejrs · mejrs · commit 01192eb1701f · 2026-02-24T10:50:39.000+01:00
diff --git a/compiler/rustc_passes/src/errors.rs b/compiler/rustc_passes/src/errors.rs
@@ -1456,6 +1456,6 @@ pub(crate) struct UnknownFormatParameterForOnUnimplementedAttr {
     pub argument_name: Symbol,
     pub trait_name: Ident,
     // `false` if we're in rustc_on_unimplemented, since its syntax is a lot more complex.
-    #[help("expect either a generic argument name or {\"`{Self}`\"} as format argument")]
+    #[help(r#"expect either a generic argument name or {"`{Self}`"} as format argument"#)]
     pub help: bool,
 }

Original file line number	Diff line number	Diff line change
`@@ -1456,6 +1456,6 @@ pub(crate) struct UnknownFormatParameterForOnUnimplementedAttr {`
`1456`	`1456`	`pub argument_name: Symbol,`
`1457`	`1457`	`pub trait_name: Ident,`
`1458`	`1458`	// `false` if we're in rustc_on_unimplemented, since its syntax is a lot more complex.
`1459`		- #[help("expect either a generic argument name or {\"`{Self}`\"} as format argument")]
	`1459`	+ #[help(r#"expect either a generic argument name or {"`{Self}`"} as format argument"#)]
`1460`	`1460`	`pub help: bool,`
`1461`	`1461`	`}`