Commit 511676e8236aafc14b1dedc6c3508c8228c27d42

fix same subStr typo in plain version
  
2727 var maxLen = 75;
2828 while (line.length > maxLen) {
2929 output += line.substr(0, maxLen);
30 line = line.subStr(maxLen);
30 line = line.substr(maxLen);
3131 output += '\r\n ';
3232 maxLen = 74;
3333 }