diff --git a/www/index.html b/www/index.html
index 52dda96..7a6a1a2 100644
--- a/www/index.html
+++ b/www/index.html
@@ -1,16 +1,23 @@
-<title>PC Scheme/</title>
-<h1>PC Scheme</h1>
-<pre>
-<A HREF="./">lang/scheme/impl/pcscheme/</A>
+<!DOCTYPE html>
+<html>
+<head>
+  <title>PC Scheme/</title>
+</head>
+<body>
+  <h1>PC Scheme</h1>
+  <pre>
+<a href="./">lang/scheme/impl/pcscheme/</a>
 
-   <A HREF="/afs/cs/project/ai-repository/ai/lang/scheme/impl/pcscheme/cwh/0.html">cwh/</A>       PC Scheme extensions: Extensions to PC Scheme by
+   <a href=
+"/afs/cs/project/ai-repository/ai/lang/scheme/impl/pcscheme/cwh/0.html">cwh/</a>       PC Scheme extensions: Extensions to PC Scheme by
               Carl W. Hoffman
-   <A HREF="/afs/cs/project/ai-repository/ai/lang/scheme/impl/pcscheme/geneva/0.html">geneva/</A>    PCS/Geneva: Reimplementation of PC Scheme by
+   <a href=
+"/afs/cs/project/ai-repository/ai/lang/scheme/impl/pcscheme/geneva/0.html">geneva/</a>    PCS/Geneva: Reimplementation of PC Scheme by
               Univ. of Geneva.
-   <A HREF="/afs/cs/project/ai-repository/ai/lang/scheme/impl/pcscheme/pcs/0.html">pcs/</A>       PC Scheme: Scheme implementation for IBM PCs
+   <a href=
+"/afs/cs/project/ai-repository/ai/lang/scheme/impl/pcscheme/pcs/0.html">pcs/</a>       PC Scheme: Scheme implementation for IBM PCs
 </pre>
-<listing>
-PC-Scheme is a Scheme implementation originally written by Texas
+  <pre>PC-Scheme is a Scheme implementation originally written by Texas
 Instruments.  This directory contains the version made public by
 TI. Note that the public version wasn't as powerful as the
 commercial version.
@@ -25,10 +32,9 @@ rights to PC Scheme from TI and intends to make it also available on
 either of the public versions. For more information, contact IBUKI,
 PO Box 1627, Los Altos, CA 94022, phone 415-961-4996, fax 415-961-8016,
 email rww@ibuki.com.
-</listing>
-<hr>
-<listing>
-CD-ROM:       Prime Time Freeware for AI, Issue 1-1
+</pre>
+  <hr>
+  <pre>CD-ROM:       Prime Time Freeware for AI, Issue 1-1
 
 Keywords:
 
@@ -36,4 +42,6 @@ Keywords:
    Scheme!IBM PC, Scheme!Implementations, Texas Instruments,
    Univ. of Geneva
 
-</listing>
+</pre>
+</body>
+</html>
