bug#2042: Ido-mode : filtering does not keep ordering

[Chong Yidong]

Leo <sdl.web@gmail.com> writes:

> I occasionally try iswitch-mode and find its buffer switching much
> more pleasant to use than ido's. The trouble is ido tries to be smart
> in ordering matches. Sadly that gets in the way most of the time.

Could you explain in words what the existing code tries to do?

Maybe it's indeed misguided and ought to be taken out, but it would be
good to first figure out what the original intention was.