[www-patch] Update onlinedocs/index.html for 3.4.0 release

[Joseph S. Myers]

On Thu, 22 Apr 2004, Volker Reichelt wrote:

> Could somebody please provide more insight into which files should be
> linked?

<!-- We don't link to the internals manuals for releases; people
     caring about internals should really be using the mainline
     versions.  -->

[And people doing backports etc. can refer to the release manuals in their 
source trees.]

-- 
Joseph S. Myers
jsm@polyomino.org.uk