anchor.diff:                  let dc = Ballot.MSB(uint32 (abs value)) + 1
                   let off = if value < 0 then (1 <<< dc) else 0
                   let v = uint32 (off + value)
  -                let huff = encoder.acChroma.table.[dc]
  +                let huff = acChrom.[dc]
                   let len = Codeword.length huff
                   let huff = Codeword.code huff
                   len + dc, (huff <<< dc) ||| v
  
positive.code:                 let dc = Ballot.MSB(uint32 (abs value)) + 1
                  let off = if value < 0 then (1 <<< dc) else 0
                  let v = uint32 (off + value)
                  let huff = encoder.dcLuminance.table.[dc]
                  let len = Codeword.length huff
                  let huff = Codeword.code huff
                  len + dc, (huff <<< dc) ||| v
  
negative.code:                 let dc = Ballot.MSB(uint32 (abs value)) + 1
                  let off = if value < 0 then (1 <<< dc) else 0
                  let v = uint32 (off + value)
                  let huff = dcChrom.[dc]
                  let len = Codeword.length huff
                  let huff = Codeword.code huff
                  len + dc, (huff <<< dc) ||| v
  