1851. macro-html
      MACRO-HTML is Max Rottenkolber's HTML generator
1852. macro-level
      macro-level is an embarassingly trivial convenience macro that saves on indentation while being more concise and direct
1853. macrodynamics
      Macrodynamics is a language extension that broadens the notion of dynamic scope inside macroexpansion code
1854. macroexpand-dammit
      macroexpand-dammit is a code walker by John Fremlin
1855. Mad70
      A person
1856. magicffi
      Magicffi is a CFFI interface to libmagic(3), the file type determination library using magic numbers
1857. magicl
      Matrix Algebra proGrams In Common Lisp: numerical linear algebra routines with auto-generated bindings to BLAS, LAPACK and Expokit
1858. Magrathea
      A Hunchentoot extension to counter malicious scraping attempts
1859. Maiden
      Maiden is a collection of systems to help you build applications and libraries that interact with chat servers
1860. Make Old CMUCL CLX Work With Magic Cookies
      Put the following forms in a file, and load it after CLX is loaded:

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