Difference between chr (13) and chr (10) - Stack Overflow Chr(10) is the Line Feed character and Chr(13) is the Carriage Return character You probably won't notice a difference if you use only one or the other, but you might find yourself in a situation where the output doesn't show properly with only one or the other So it's safer to include both
html - What does unicode character represent? - Stack Overflow Some systems (e g Windows) use the combination CR+LF, #13; #10;, for line break, some systems (e g Linux) use only LF as line break, some systems (e g Macintosh before OS X) 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)