{"ast_node_type":"other","tokens":[{"end":95,"kind":"keyword","start":0,"text":"///"}]}
/// then it is appended to the directory containing the source file with this macro invocation.
/// If the input is already absolute, then the input is returned. If the input is not absolute,
fn invocation_relative_path_to_absolute(span: Span, path: &str) -> PathBuf {