> +*.jpg +*.css +*.js -ad.doubleclick.net/* -%A 
> php3,php,php2,asp,jsp,pl,cfm=text/html

G'day Marc,
Okay, what you'll find is causing the problem is the MIME "assume" option:
-%A

I just did a test with "php = text/html" and the shouldnotappear.html redirect
page was created as in your "httracked/" example.

I don't know if this is an intentional side-effect of "assume", but it does
make sense that "shouldnotappear.html" is created as originally is was a .php
and HTTrack has been told to make all .php into .html