let doc_targets: HashSet<_> = doc_targets_md
.lines()
.filter(|line| line.starts_with('`') && line.contains('|'))
- // These platforms only exist on macos.
- .filter(|line| !line.contains("[^apple]") || cfg!(target_os = "macos"))
.map(|line| line.split('`').skip(1).next().expect("expected target code span"))
.collect();