Format/typo check 1987/lievaart/README.md

1987/lievaart/README.md

@@ -9,8 +9,8 @@ Netherlands
 make all
 ```
 
-NOTE: The original entry may be built with "make alt" if you have an old enough
-compiler.
+There is [Alternate code](#alternate-code) available for if you have an old
+enough compiler.
 
 ## To run:
 
@@ -19,12 +19,6 @@ compiler.
 # enter a level and start playing as described below
 ```
 
-### INABIAF - it's not a bug it's a feature! :-)
-
-If you enter invalid input the program will enter an infinite loop displaying a
-string like `"You:"` repeatedly (for instance if you input `.`). If you enter an
-incorrect value it will prompt you again until you input a proper value.
-
 ## Try:
 
 To see what it would have looked like without the size restrictions:
@@ -34,30 +28,46 @@ To see what it would have looked like without the size restrictions:
 # enter a level and start playing as described below
 ```
 
+## Alternate code:
+
+If you have an old enough compiler you might wish to try using it. To use:
+
+```sh
+make alt
+```
+
+Use `./lievaart.alt` as you would `./lievaart` above.
+
+### INABIAF - it's not a bug it's a feature! :-)
+
+If you enter invalid input the program will enter an infinite loop displaying a
+string like `"You:"` repeatedly (for instance if you input `.`). If you enter an
+incorrect value it will prompt you again until you input a proper value.
 
 ## Judges' remarks:
 
 We believe that you too will be amazed at just how much power Mr. Lievaart
 packed into 1024 bytes!
 
-This Plays the game of Reversi (Othello)!  Compile and run.  It then
+This Plays the game of [Reversi
+(Othello)](https://en.wikipedia.org/wiki/Reversi)!  Compile and run.  It then
 asks for a playing level. Enter 0-10 (easy-hard).  It then asks for
-your move. A move is a number within 11-88, or a 99 to pass.  Illegal
+your move. A move is a number within 11-88, or 99 to pass.  Illegal
 moves (except for an illegal pass) are rejected.  Then the computer
 does its move (or a 0 to pass), until the board is full.
 
-It plays rather well, for such a small program!  Lievaart had to leave out the
+It plays rather well, for such a small program! Lievaart had to leave out the
 board printing routine, so you'll have to take a real game board to play it (or
 see below). ...  Also due to space-limitations (the rules for 1987 had a limit
 of 1024 byes), Lievaart took out the passing-handler, which makes its
-ending-game rather poor.  But further it knows all the rules, uses alpha-beta
-pruning, and it plays f.i. on mobility(!).  Most important: it can play a pretty
-good game of Reversi!
+ending-game rather poor.  But further it knows all the rules, uses [alpha-beta
+pruning](https://en.wikipedia.org/wiki/Alpha-beta_pruning), and it plays for
+instance on mobility(!).  Most important: it can play a pretty good game of Reversi!
 
 The Author was kind enough to supply the fully functional version of the
-program.  The file lievaart2.c contains what the program would have
-been without the size restriction.  This version has the full end game 
-logic and displays the board after each move!
+program.  The file [lievaart2.c](lievaart2.c) contains what the program would
+have been without the size restriction.  This version has the full end game
+logic and displays the board after each move! See above for how to use this.
 
 
 ## Author's remarks: