tests/rustdoc-ui/output-format-html-stable.rs - third_party/github.com/rust-lang/rust - Git at Google

 //@ compile-flags: --output-format html
 //@ check-pass
 // This tests that `--output-format html` is accepted without `-Z unstable-options`,
 // since it has been stable since 1.0.
	//@ compile-flags: --output-format html
	//@ check-pass
	// This tests that `--output-format html` is accepted without `-Z unstable-options`,
	// since it has been stable since 1.0.