FIX to Compressed Full-Text Indexes Matching

FIX to Compressed Full-Text Indexes

Level: Small

In page 124, we say that Huffman assigns a code of length floor(log(1/p)) or ceil(log(1/p)) to a symbol with probability p. This is shamefully wrong. But we use this only to argue about the sum over all the symbols, and in this case the result stays true.