Method operator==

src/diff.h:583–587

    }

    bool operator==(const ManualDiffHelpEntry& r) const
    {
        return lineA1 == r.lineA1 && lineB1 == r.lineB1 && lineC1 == r.lineC1 &&
               lineA2 == r.lineA2 && lineB2 == r.lineB2 && lineC2 == r.lineC2;
    }

    qint32 calcManualDiffFirstDiff3LineIdx(const Diff3LineVector& d3lv);