docs: function sylk_to_aoa(d/*:RawData*/, opts)/*:[AOA, Worksheet]*/ {
  		switch(opts.type) {
  			case 'base64': return sylk_to_aoa_str(Base64.decode(d), opts);
  			case 'binary': return sylk_to_aoa_str(d, opts);
  			case 'buffer': return sylk_to_aoa_str(d.toString('binary'), opts);
  			case 'array': return sylk_to_aoa_str(cc2str(d), opts);
  		}
  		throw new Error("Unrecognized type " + opts.type);
  	}