syntax_data: {"ast_node_type":"other","tokens":[{"end":54,"kind":"keyword","start":0,"text":"wasm_c_abi:"}]}
source_snippet:     wasm_c_abi: () = ((), parse_wasm_c_abi, [TRACKED],
context_before:     // FIXME remove this after a couple releases
context_after:         "use spec-compliant C ABI for `wasm32-unknown-unknown` (deprecated, always enabled)"),