purplesyringa

    -while b"]" + b"=" * level + b"]" in obj:
    +# Somewhat surprisingly, Lua forbids even opening brackets inside brackets.
    +while b"[" + b"=" * level + b"[" in obj or b"]" + b"=" * level + b"]" in obj:

    > print [[ a [[b c ]]
    stdin:1: nesting of [[...]] is deprecated near '['

    if (j != next_j[i][j]) {
        j = next_j[i][j];
        asm volatile("" : "+r"(j)); 
    }

    unsigned char value = next_j[i][j];
    _Bool flag = j != value;
    j = value;
    if (flag) {
        asm volatile("" : "+r"(j)); 
    }

    if (j != next_j[i][j]) {
        asm volatile("" : "+r"(j)); 
        j = next_j[i][j];
    }

    a = 98a67ee86f8cf
    b = da19d2c9dfe71

    (a >> 20) * (b >> 20)         = 820d2e04637bf428
    (a >> 8) * (b >> 8) % 2**64   =       0547f8cdb2100210
    ->
    (a >> 8) * (b >> 8)           = 820d2e0547f8cdb2100210

    (a >> 8) * (b >> 8)           = 820d2e0547f8cdb2100210
    (a * b) % 2**64               =           080978075f64355f
    ->
    a * b                         = 820d2e0548080978075f64355f