'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'

1993/vanb/README.md

@@ -30,7 +30,7 @@ where 'exp' is an octal expression
 	./vanb 4+4
 
 
-## Judges' comments:
+## Judges' remarks:
     
 The octal expression may contain:
 
@@ -47,7 +47,7 @@ one should surround the expression in single quotes.
 It is a good thing that this program consists of only one
 expression, otherwise it might become hard to understand.  :-)
 
-## Author's comments
+## Author's remarks
 
 The program does no error checking - erroneous expressions will
 produce spurious results. Note that unary '-' is an operator. Thus,