What does 0a stand for?
Keeping this in view, what does %0a mean?
%0A is URL-encoding of a newline, which you would use in (obviously) URLs. &x0a; would be the HTML-encoding of the same character that you would use in HTML, but it doesn't work, for a variety of reasons. To break a line in HTML, you can use <br> tag.
Also Know, what does 0a mean in hex? ASCII Character Set and Hexadecimal Values
Also Know, what character is %0a?
What is full form of OA?
OA is the medical abbreviation for osteoarthritis.