I added a note below the table of boundary conditions advising the user
to enter a numerical value instead of the type as the second/third
argument to InterpGrid/CoordInterpGrid when they wish to use BCfill mode.
Coverage remained the same when pulling b1c019c9c1d13e0fc000f88aa09f4b873651ef0e on agbristol:clarifyBCfill into 3da2b341202eb0e9831c1e44271ee22d0192f0ae on timholy:master.
I added a note below the table of boundary conditions advising the user to enter a numerical value instead of the type as the second/third argument to InterpGrid/CoordInterpGrid when they wish to use BCfill mode.