'comments' -> 'remarks' in all README.md files

As in

    sgit -e 's/\([Aa]uthor.*\)comments/\1remarks/g' -e 's/\([Jj]udge.*\)comments/\1remarks/g' '*README.md'

1996/gandalf/README.md

@@ -39,14 +39,14 @@ Care to guess why these execute differently?  Only the
 compiler knows ... ok maybe other things like the author,
 the judges and maybe you too?
 
-## Judges' comments
+## Judges' remarks
 
 For mis-leading C pre-processor output, try:
 
 
 	cc -E gandalf.c
 
-## Author's comments
+## Author's remarks
 
 The program requires an ASCII system.