code: function checkCombinator4(i) {
    const start = i;
  
    if (tokens[i].type === TokenType.Solidus) i++;
    else return 0;
  
    let l;
    if (l = checkIdent(i)) i += l;
    else return 0;
  
    if (tokens[i].type === TokenType.Solidus) i++;
    else return 0;
  
    return i - start;
  }
docs: (1) `/panda/`