remove 'tls for http uris' - already being done
remove wpad; too many issues around it.
remove 'living with interception' - probably not productive
add 'potential'
qualify the place of proxies
note that wpad security is a blocking issue for implementation.
note layer 8 nature of interception
more on security
remove badly formed interop arg
make "no" section less speculative
remove fuzzy 'choices' section
add 'improved network information'
ack julian
update xml