code: function checkMultilineSC(i) {
    if (!tokens[i]) return 0;
  
    let l;
    let lsc = 0;
  
    while (i < tokensLength) {
      if (!(l = checkS(i)) &&
        !(l = checkCommentML(i)) &&
        !(l = checkCommentSL(i))) break;
  
      i += l;
      lsc += l;
    }
  
    return lsc || 0;
  }
docs: Check if token is a space, newline, or a comment.
  @param {number} i Token's index number
  @return {number} Number of similar (space, newline, or comment) tokens
  in a row starting with the given token.