HI, a simple question here, when I wanted to download the netinst ISO image for Sarge at this address: http://cdimage.debian.org/debian-cd/3.1_r0a/i386/iso-cd/debian-31r0a-i386-netinst.iso
I found that the release was named "3.1_r0a". Just for curiosity, what does that "a" mean? Thanks.
