syntax_data: {"ast_node_type":"function","tokens":[{"end":82,"kind":"keyword","start":0,"text":"fn"}]}
source_snippet: fn normalize_newlines(src: &mut String, normalized_pos: &mut Vec<NormalizedPos>) {
context_before: /// Leaves any occurrences of lone `\r` unchanged.
context_after:     if !src.as_bytes().contains(&b'\r') {