% MNEMONIC = WFDB_annstr(CODE);
%
% Translate WFDB annotation code(s) to mnemonic(s).
%
% CODE:     Annotation code. Scalar or vector.
% MNEMONIC: Resulting annotation mnemonic. If CODE is scalar, MNEMONIC is a
%   string;  otherwise MNEMONIC is a cell of strings.
%
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