Format fixes in 1996/huffman/README.md

1996/huffman/README.md

@@ -10,20 +10,26 @@
 
 ## To build:
 
+```sh
 make all
+```
 
 ## To run:
 
-
+```sh
 echo 'Huffman Decoding' | ./huffman
+```
 
 NOTE: this program uses `gets()` so you will likely get a warning when compiling
 and/or running on modern systems.
 
 ## Try: 
 
+```sh
 echo 'seeing or feeling is believing' | ./huffman
+echo 'CC OR NOT CC' | ./huffman
 echo 'CC OR NOT CC' | ./huffman | ./huffman
+```
 
 
 ## Judges' remarks:
@@ -35,7 +41,9 @@ And for a misleading hint, consider who won!  :-)
 
 And if you really can't see what is going on, here is an extra spoiler:
 
+```sh
 ./huffman < huffman.c
+```
 
 This entry was very well received at the IOCCC BOF.
 
@@ -45,7 +53,7 @@ This filter program is really not obfuscated code.  It compiles cleanly
 with an ANSI C compiler and comes with user documentation that even a
 blind person could read.
 
-The program is a bi-directional filter with the output of the program 
+The program is a bidirectional filter with the output of the program 
 suitable for its input.  The output of this program, when used as input,
 undoes the original program filtering.