Function A

web/marked.min.js:500–511

(l, e, t)

      return n;
    }
    function A(l, e, t) {
      let n = l.length;
      if (n === 0) return "";
      let s = 0;
      for (; s < n; ) {
        let i = l.charAt(n - s - 1);
        if (i === e && !t) s++;
        else if (i !== e && t) s++;
        else break;
      }
      return l.slice(0, n - s);
    }
    function de(l, e) {
      if (l.indexOf(e[1]) === -1) return -1;
      let t = 0;