syntax_data: {"ast_node_type":"other","tokens":[{"end":63,"kind":"keyword","start":0,"text":"if"}]}
source_snippet:             if $span.len_with_tag_or_marker & PARENT_TAG == 0 {
context_before:         if $span.len_with_tag_or_marker != BASE_LEN_INTERNED_MARKER {
context_after:                 // Inline-context format.