**** happens. [...] You need to accept the possibility
that your original clearance may no longer be available.

Insisting that you MUST be able to continue as originally cleared is
as silly as insisting that a pilot MUST accept any altered clearance.

True. My issue is "your only alternative is to accept the new clearance
or cancel IFR", and "You've accepted the clearance just by reading it back."

Jose
--
Math is a game. The object of the game is to figure out the rules.
for Email, make the obvious change in the address.