%*=%	grapes-times-equals-grapes
%+%	grapes-plus-grapes
%+=%	grapes-plus-equals-grapes
%-=%	grapes-equals-grapes
%/=%	grapes-slash-equals-grapes
%btwn%	grapes-btwn-grapes
%nand%	grapes-nand-grapes
%nin%	grapes-nin-grapes
%xor%	grapes-xor-grapes
%^=%	grapes-pow-equals-grapes
%||%	null-default
%|||%	extended-null-default
.is_allFalse	dot-is_allFalse
.is_allNA	dot-is_allNA
.is_length_zero	dot-is_length_zero
extended-null-default	extended-null-default
null-default	null-default
