geography
grib1 words = grib2 words
        gridType -> dataRepresentationType (grib1)
                    ??? (grib2)
  

find a way to have the version in grib_api.h
why if(a->offset%2) buflen++;
lat/lon is not in 0..180


constness

reparse on unsigned[size]
repasre lists

expression: persitemy malloc
tidy errors
iterator  and scanning mode
gribex and missing local definition

SST dats
Don't repack unecessary values in packers
grid 90
