errorAcc += 3 * *pPrevError; /* 3 * error above right */
errorAcc >>= 4; /* /16 */
errorAcc += *pSrc++ ^ invert; /* + "x"; w/ blackIsZero handled */
- if (errorAcc >= 128) /* output white: dont set out bit */
+ if (errorAcc >= 128) /* output white: don't set out bit */
errorAcc -= 255; /* sub value of white from errorAcc */
else /* output black: errorAcc -= 0 */
outLong |= mask;