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@@ -1164,6 +1164,10 @@ presented above (@pxref{Input and Output}).
* R6RS Binary Output:: Binary output.
@end menu
+A subset of the @code{(rnrs io ports)} module is provided by the
+@code{(ice-9 binary-ports)} module. It contains binary input/output
+procedures and does not rely on R6RS support.
+
@node R6RS End-of-File
@subsubsection The End-of-File Object