syntax_data: {"ast_node_type":"other","tokens":[{"end":75,"kind":"keyword","start":0,"text":"\"emit"}]}
source_snippet:         "emit directionality isolation markers in translated diagnostics"),
context_before:     translate_directionality_markers: bool = (false, parse_bool, [TRACKED],
context_after:     translate_lang: Option<LanguageIdentifier> = (None, parse_opt_langid, [TRACKED],