The unicode is
and it\'s being used in an XML document.
It's the ASCII character LF, Line Feed.
Some systems (e.g. Windows) use the combination CR+LF,
, for line break, some systems (e.g. Linux) use only LF as line break, some systems (e.g. Macintosh) use only CR as line break.
So, only a LF character in an XML value would be a line break from a Linux system (or similar).