diff --git a/server/TODO b/server/TODO
index d2cbfef..6a10241 100644
--- a/server/TODO
+++ b/server/TODO
@@ -83,3 +83,12 @@ is equivalent to
 should be distinct from lists; this is a really nice idea! The ideal
 codec, then, would support dictionaries, lists, and *streams* as a
 distinct kind of thing.
+
+Sexp.txt defines "text/plain; charset=iso-8859-1" as the standard
+MIME-type! I'm torn: ISTM either UTF-8 (if text) or
+application/octet-stream (if generic) should be the default, but I can
+see the win in having a text-like encoding that "mostly works" for
+display purposes. Perhaps it comes down to the fact that this is a
+*display* hint, not an *interpretation* hint.
+
+   ... it should be an interpretation hint, then.