sS intsToHex_withLineBreaks(int charsPerLine default 80, L<Int> l) {
  ret regularLineBreaks(charsPerLine, intsToHex(l));
}

sS intsToHex_withLineBreaks(int charsPerLine default 80, int... l) {
  ret intsToHex_withLineBreaks(charsPerLine, wrapIntArrayAsList(l));
}