Common Abstract Tree LanguaGE. R. Voeller & Uwe Schmidt, U Kiel, GErmany 1983. Universal intermediate languaGE, used by Norsk Data in their family of compilers. "A Multi-LanguaGE Compiler System with Automatically GEnerated CodeGEnerators, U. Schmidt et al, SIGPLAN Notices 19(6):202-2121 (June 1984). [Jargon File]