code: function checkNamePrefix1(i) {
    const start = i;
    let l;
  
    if (l = checkNamespacePrefix(i)) i += l;
    else return 0;
  
    if (l = checkCommentML(i)) i += l;
  
    if (l = checkNamespaceSeparator(i)) i += l;
    else return 0;
  
    return i - start;
  }
docs: (1) `panda|`
  (2) `panda<comment>|`