bset_file_format 1066 src/buffer.c     bset_file_format (b, Qnil);
bset_file_format 4650 src/buffer.c     bset_file_format (&buffer_local_flags, make_fixnum (-1));
bset_file_format 4777 src/buffer.c     bset_file_format (&buffer_defaults, Qnil);