{'dd'} {'pp'} {'dd'} {'pp'}The cell array tok contains cell arrays that each contain a token.tok{:}ans =1×1 cell array{'d'}ans =1×1 cell array{'p'}ans =1×1 cell array{'d'}ans =1×1 cell array{'p'}The cell array ext contains numeric arrays that each contain starting and ending indices
for a token.ext{:}ans =11 11ans =2 Program Components