syntax_data: {"ast_node_type":"other","tokens":[{"end":74,"kind":"keyword","start":0,"text":"InlineCtxt::span(span.lo,"}]}
source_snippet:                     InlineCtxt::span(span.lo, span.len, new_ctxt32 as u16)
context_before:                     // Any small new context including zero will preserve the format.
context_after:                 } else {