syntax_data: {"ast_node_type":"other","tokens":[{"end":59,"kind":"keyword","start":0,"text":"dual_proc_macros:"}]}
source_snippet:     dual_proc_macros: bool = (false, parse_bool, [TRACKED],
context_before:         "Direct or use GOT indirect to reference external data symbols"),
context_after:         "load proc macros for both target and host, but only link to the target (default: no)"),