You can use the "Bad way" in Jeff's doc even if you don't have a CVS checkout. That means using just diff instead of cvs diff.
The reason why using diff (or cvs diff) is useful is that you can then apply the patch file directly to the files being fixed with 'patch' command without hand editing, and thus diminish the chances of typos.
Anyway all bug seeking and fixing is always desirable and admirable, thanks for your good work so far. We just try to teach newcomers to use the common guidelines because it makes life easier for us lazy old bastards :)