MDL

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TODO: Describe relationship between MDL, LISP, and ZIL.

MDL (or Muddle) was a dialect of Lisp used at MIT for the original version of Zork/Dungeon. When Infocom was formed, Zork was re-implemented in ZIL, a new language created specially for the purpose.

Links

• MDL programming language at Wikipedia.
• MDL information at the IF Archive:
  • The MDL Programming Language (1979), Stu Galley and Greg Pfister. (Or a 1977 version.)
  • The MDL Programming Environment (1980), Dave Lebling.
  • The MDL Programming Language Primer (1980), Michael Dornbrook and Marc Blank.