Minor adjustments to a few index entries.
diff --git a/Doc/ref/ref6.tex b/Doc/ref/ref6.tex
index 3a2e260..a629494 100644
--- a/Doc/ref/ref6.tex
+++ b/Doc/ref/ref6.tex
@@ -327,7 +327,7 @@
exception is raised.
\indexii{standard}{output}
\refbimodindex{sys}
-\ttindex{stdout}
+\withsubitem{(in module sys)}{\ttindex{stdout}}
\exindex{RuntimeError}
\section{The \keyword{return} statement\label{return}}
@@ -468,7 +468,7 @@
platform specific. It generally involves searching for a ``built-in''
module with the given name and then searching a list of locations
given as \code{sys.path}.
-\ttindex{modules}
+\withsubitem{(in module sys)}{\ttindex{modules}}
\ttindex{sys.modules}
\indexii{module}{name}
\indexii{built-in}{module}
@@ -511,7 +511,7 @@
The \keyword{from} form with \code{*} may only occur in a module scope.
\kwindex{from}
-\ttindex{from ... import *}
+\stindex{from}
(The current implementation does not enforce the latter two
restrictions, but programs should not abuse this freedom, as future