Update for release 1.3

git-svn-id: https://yquem.inria.fr/compcert/svn/compcert/trunk@715 fca1b0fc-160b-0410-b1d3-a4f43f01ea2e

doc/index.html

@@ -24,7 +24,7 @@ a:active {color : Red; text-decoration : underline; }
 
 <H1 align="center">The Compcert verified compiler</H1>
 <H2 align="center">Commented Coq development</H2>
-<H3 align="center">Version 1.2, 2008-02-13</H3>
+<H3 align="center">Version 1.3, 2008-08-11</H3>
 
 <H2>Introduction</H2>
 
@@ -39,6 +39,7 @@ within the Coq proof assistant.</P>
 <P>A high-level overview of the Compcert compiler and its proof of 
 correctness can be found in the following papers:</P>
 <UL>
+<LI>Xavier Leroy, <A HREF="http://gallium.inria.fr/~xleroy/publi/compcert-backend.pdf">A formally verified compiler back-end</A>. Draft submitted for publication, July 2008.
 <LI>Xavier Leroy, <A
 HREF="http://gallium.inria.fr/~xleroy/publi/compiler-certif.pdf">Formal
 certification of a compiler back-end, or: programming a compiler with