# url looks like an email address, so we assume it
# is supposed to be an external link if there is no
# page with that name.
return (! (bestlink($page, linkpage($url))))
}
# url looks like an email address, so we assume it
# is supposed to be an external link if there is no
# page with that name.
return (! (bestlink($page, linkpage($url))))
}