Initial class construction

Git/usr/share/vim/vim81/macros/maze/poster

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+Article 2846 of alt.sources:
+Path: oce-rd1!hp4nl!mcsun!uunet!munnari.oz.au!metro!otc!gregm
+From: gregm@otc.otca.oz.au (Greg McFarlane)
+Newsgroups: alt.sources
+Subject: VI SOLVES MAZE (commented macros)
+Message-ID: <2289@otc.otca.oz>
+Date: 10 Feb 91 23:31:02 GMT
+Sender: news@otc.otca.oz
+Reply-To: gregm@otc.otca.oz.au (Greg McFarlane)
+Organization: OTC Development Unit, Australia
+Lines: 464
+
+Submitted-by: gregm@otc.otca.oz.au
+Archive-name: maze_solving_vi_macros
+
+A real working model. See it walk the maze in front of your very own eyes.
+
+To prove that you can do anything in vi, I wrote a couple of macros that
+allows vi to solve mazes. It will solve any maze produced by maze.c
+that was posted to the alt.sources last month. (Maze.c is also included
+in this posting as well as an example of its output.)
+
+The uncommented version of the macros was sent to alt.sources last month.
+However, so many people mailed me requesting the commented version of the
+macros that I decided to post it. I have made some modifications to the
+original macros to make them easier to follow and also after I learnt
+that you can escape the special meaning of '|' in macros by using '^V|'.
+
+Save this article and unshar it. Then read maze.README.
+
+After studying these macros, anyone who cannot write an emacs emulator
+in vi macros should just curl up and :q!.
+
+Coming soon to a newsgroup near you: "Vi macros solve Tower of Hanoi",
+and a repost of the original "Turing Machine implemented in Vi macros"
+
+Anyone who has a version of these macros for edlin or nroff, please post.