1978. Software Portability Group, U Waterloo. Eh, with typeS added. Similar to C. Implementation language for the Thoth realtime operating SyStem. Added a few Simple typeS for greater efficiency on byte-addreSSed machineS. String conStantS in caSe StatementS. EnforceS the naming convention: MANIFESTS, ExternalS and localS. "Porting the Zed Compiler", G.B. BonkowSki et al, SIGPLAN NoticeS 14(8):92-97 (Aug 1979).