More README.md files updated

Some of the files modified include some of the files modified yesterday;
others were not modified yesterday. I backtracked as I noticed some
sections are missing in earlier README.md files. However more have to be
checked in earlier years. I'm committing now as I have to do other
things and am likely done for the day.

1987/wall/README.md

@@ -9,7 +9,14 @@ Panorama City, CA  91402  USA
 
         make all
 
-## Judges' comments:
+## To run:
+
+
+	./wall
+	# enter some strings
+
+	./wall | some_command
+	# enter some strings
 
 ### Try:
 
@@ -35,6 +42,9 @@ and enter some input like:
 	quit # for the cat version
 
 
+## Judges' comments:
+
+
 What we found amazing was how the flow of control was transferred
 between subroutines.  Careful inspection will show that the array of
 pointers to functions named 'vi' refers to functions which seem to not
@@ -44,6 +54,11 @@ done and how it is being exploited?
 
 Some compilers complained about this file, so we changed: '=++I' to '= ++I'.
 
+
+## Author's comments:
+
+No comments were provided by the author.
+
 Copyright (c) 1987, Landon Curt Noll & Larry Bassel.
 All Rights Reserved.  Permission for personal, educational or non-profit use is
 granted provided this this copyright and notice are included in its entirety