I'm not sure this the right place for this proposal, but here it goes:
Searching specifically docs only on exim.org is rather inconvenient. The same site hosts this mailing list, which often is not what the user might want to search for when googling.
Granted, if a user wants to search "header_subject router" in docs only, it is possible to use syntax like this on Google:
But it is tedious to do this every time. An option for searching in selected items in docs only / FAQ / mailing lists on exim.org would be very convenient.
