I've seen game developers give advice to add a transparent border around sprites, for example around 3:00 minutes into this tutorial.
Why should we leave a transparent border around a texture before using it in these cases?
And how broad should this border be?
Also I found one of my friends saying to me that when he rendered multiple copies of same texture by u v coordinates, he got some white lines at texture to texture intersections.
Adding borders fixed that as per the answer he got from his question at this site.