Re: update to "Following -current": changes to expat und sudo

Tilo Stritzky wrote:
> Hi,
> 
> marc@ has aswered theese on ports@ about 5 times in two weeks,
> so I think the threshold for a FAQ is reached ;)

more than that, it is just stuff that should have been in here from
the day the changing commits were made.

> This adds the recent change in sudo environment handling and
> the somewhat less recent move of libexpat from the ports tree to xenorca
> to www/faq/current.html.

I committed something very much based on this.  thanks!

Nick.