http://myhome.iolfree.ie/~gavcos/vimrc.html

It says something like:
"show tabs, spaces, end of lines
set list
set listchars=tab:>-,trail:.

In .vimrc

Hope it helps, just tried it ;)

On 2/7/06, Jonathan De Graeve <Jonathan dot De dot Graeve at imelda dot be> wrote:
> Anybody knows how to make it visible in VIM to display spaces/tabs?
>
>
>
> ATM I can't see the difference
>
>
>
> J.
>
>
>