syntax_data: {"ast_node_type":"other","tokens":[{"end":57,"kind":"keyword","start":0,"text":"mir_emit_retag:"}]}
source_snippet:     mir_emit_retag: bool = (false, parse_bool, [TRACKED],
context_before:         "align all functions to at least this many bytes. Must be a power of 2"),
context_after:         "emit Retagging MIR statements, interpreted e.g., by miri; implies -Zmir-opt-level=0 \