#1 Array access 1 element too far

[m^2]

lib/encode.c

isMarkerSymbolLUT[255]
(...)
for (i = 0; i < 256; ++i)
isMarkerSymbolLUT[i] = 0;

[hedger]

Actually, the array access is fine. isMarkerSymbolLUT[] should contain 256 elements, otherwise decompression fails on the ouput data.