Expansion order

[Mads Martin Joergensen <mmj@xxxxxxx>]

Hey together,

$ export LS_OPTIONS="-N --color=tty -T 0"
$ alias ls='ls $LS_OPTIONS'
$ ls
/bin/ls: invalid option --
Try `/bin/ls --help' for more information.

How come the zsh is doing the expansion in this case differently from
csh, tcsh, bash and sh?

If it's a configuration option or such, I would be grateful to know. I
looked through the expansion man-pages, but I might have missed it.

-- 
Mads Martin Joergensen, http://mmj.dk
"Why make things difficult, when it is possible to make them cryptic
 and totally illogical, with just a little bit more effort?"
                                -- A. P. J.