fixes #1048 (#1049)

Author: martin-henz

xml/chapter3/section5/subsection2.xml

@@ -1344,7 +1344,16 @@ const sin_series = pair(0, () => integrate_series(
     <INDEX><USE>mul_series</USE></INDEX> 
     power series represented as streams of coefficients as in
     exercise<SPACE/><REF NAME="ex:powerseries"/>, adding series is implemented
-    by <SCHEMEINLINE>add-streams</SCHEMEINLINE>.  Complete the declaration of
+    by
+    <SPLITINLINE>
+      <SCHEME>
+	<SCHEMEINLINE>add-streams</SCHEMEINLINE>.
+      </SCHEME>
+      <JAVASCRIPT>
+	<JAVASCRIPTINLINE>add_streams</JAVASCRIPTINLINE>.
+      </JAVASCRIPT>
+    </SPLITINLINE>
+    Complete the declaration of
     the following
     <SPLITINLINE>
       <SCHEME>procedure</SCHEME>