Please see details at https://github.com/tesseract-ocr/tessdata/pull/88#issuecomment-375644263 https://github.com/tesseract-ocr/langdata/issues/116 https://github.com/tesseract-ocr/tessdata_best/issues/23 @jbreiden @alexanderP - FYI - regarding problem with packaged traineddata for kur_ara.