/etc/issue is often changed by Linux system vendors. On my Linux box, e.g., it
contains:

    Penguin Computing (RH 6.1)
    www.penguincomputing.com
    Kernel 2.2.13 on an i686

This confuses Sanity.gmk because it looks for a line starting with "Red".

A better test is to look for the release number in /etc/redhat-release, which
as far as I know is the same on all RedHat-derived systems.

-- mr@eng 2001/3/23