syntax_data: {"ast_node_type":"other","tokens":[{"end":61,"kind":"keyword","start":0,"text":"emscripten_wasm_eh:"}]}
source_snippet:     emscripten_wasm_eh: bool = (false, parse_bool, [TRACKED],
context_before:         "emit the bc module with thin LTO info (default: yes)"),
context_after:         "Use WebAssembly error handling for wasm32-unknown-emscripten"),