More updates to bugs.md + related files

Some entries were added to the bugs.md file.

As well some README.md files were updated wrt the bugs some of which
might have been better in an earlier commit.

1984/mullender/README.md

@@ -12,7 +12,10 @@ Robbert van Renesse
 
 	./mullender
 
-NOTE: This entry is likely to fail and/or dump core on modern computers.
+> NOTE: If your machine is not a Vax-11 or pdp-11, this program will
+> not execute correctly.  In later years, machine dependent
+> code was discouraged.
+
 
 ## Judges' comments:
 
@@ -25,10 +28,6 @@ be non machine specific.
 
 This program was selected for the 1987 t-shirt collection.
 
-> NOTE: If your machine is not a Vax-11 or pdp-11, this program will
-> not execute correctly.  In later years, machine dependent
-> code was discouraged.
-
 The C startup routine (via crt0.o) transfers control to a location
 named main.  In this case, main just happens to be in the data area.
 The array of shorts, which has been further obfuscated by use of