public boolean isInsideRange(final TextRange other) {
        if (other == null) {
            return false;
        } else {
            return isInsideRange(other.from, other.to);
        }
    }
@return True if all of this range is inside or is identical to
the other range.
stroom-util-shared/src/main/java/stroom/util/shared/TextRange.java