Slide 8

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# It’s Real!

- ## MMDS is not vaporware. It exists. It works. It is in use at several sites.

- ## It is a revamped version of the Squirrel Document System, developed during 1991-1994 for Multihouse Automatisering in Gouda.

- ## The first parts were written in Perl 3 (1991), the rest in Perl 4 (1992 and later).

- ## It stopped working with Perl 5.

- ## I accidentally made use of a Perl 4 bug that got fixed in Perl 5.