From bc961e571421b872db57bb2c30ba1be4d584495b Mon Sep 17 00:00:00 2001
From: Skip Montanaro <skip@pobox.com>
Date: Mon, 11 Aug 2003 15:06:07 +0000
Subject: add a statement identifying StringI and StringO objects.

---
 Doc/lib/libstringio.tex | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/Doc/lib/libstringio.tex b/Doc/lib/libstringio.tex
index c268690..f78d016 100644
--- a/Doc/lib/libstringio.tex
+++ b/Doc/lib/libstringio.tex
@@ -62,7 +62,8 @@ strings that cannot be encoded as plain \ASCII{} strings.
 Another difference from the \refmodule{StringIO} module is that calling
 \function{StringIO()} with a string parameter creates a read-only object.
 Unlike an object created without a string parameter, it does not have
-write methods.
+write methods.  These objects are not generally visible.  They turn up in
+tracebacks as \class{StringI} and \class{StringO}.
 
 The following data objects are provided as well:
 
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