syntax_data: {"ast_node_type":"other","tokens":[{"end":85,"kind":"keyword","start":0,"text":"///"}]}
source_snippet: /// Instead they participate in or-pattern expansion, where they are transformed into
context_before: /// Note that or-patterns are not tested directly like the other variants.
context_after: /// subcandidates. See [`Builder::expand_and_match_or_candidates`].