Notepad uses the standard Windows style newlines (CRLF) while, Unix uses (LF). I think your XML file is a Unix formatted text file, that’s why Notepad is not displaying it properly. And after you used the plugin in Notepad++ it must have added the system specific new line in your file, but this an assumption I am making.
2
solved Why does XML look differently in notepad++ and notepad? [closed]