[pmwiki-users] write ptv to profiles page is a user logout

[noskule]

> no that's this mail about. The simples way would be to write a the "last 
> action" ptv on every browse and edit action. But that seams not so 
> smart, so I thought someone knows a way to do it just if the users get's 
> logged out. either way, by logout action and by timeout.
>   

a thougth about that. How does pmwiki logout a user by timeout? I guess 
there's some sort of timestamp. So if the user get's logged out peter's 
writeptv function could update the lastaction ptv.

any hints?