Object-oriented with extensible syntax. "LITHE: A Language Combining a Flexible Syntax and Classes", D. Sandberg, Conf Rec 9th Ann ACM Sym POPL, ACM 1982, pp.142-145.

In addition suitable contents:
[ 2 ] [ ACM ] [ ag ] [ an ] [ as ] [ b ] [ be ] [ bi ] [ bj ] [ C ] [ CM ] [ D ] [ E ] [ ec ] [ ed ] [ er ] [ es ] [ extensible ] [ Flex ] [ ge ] [ gu ] [ h ] [ ie ] [ in ] [ IT ] [ it ] [ la ] [ M ] [ nf ] [ ng ] [ ni ] [ nn ] [ ns ] [ O ] [ om ] [ POP ] [ S ] [ se ] [ si ] [ sy ] [ syntax ] [ T ] [ th ] [ ua ]