syntax_data: {"ast_node_type":"other","tokens":[{"end":97,"kind":"keyword","start":0,"text":"///"}]}
source_snippet:     /// Identifiers with same string value become same if they came from the same macro 2.0 macro
context_before:     /// "Normalize" ident for use in comparisons using "item hygiene".
context_after:     /// (e.g., `macro` item, but not `macro_rules` item) and stay different if they came from