set it to "foo", then the url will be
"http://foo.s3.amazonaws.com/wiki/".
* `amazon_s3_prefix` - A prefix to prepend to each page name.
- The default is "wiki/". Note that due to S3 limitations (lack of support
- for uploading a root key), it is not possible to set the prefix to an
- empty string.
+ The default is "wiki/". Note: In order to host your site at the root,
+ it needs to be set to "", and you'll have to
+ [read this](http://aws.typepad.com/aws/2011/02/host-your-static-website-on-amazon-s3.html)
+ for details about configuring your S3 bucket as a website.
* `amazon_s3_location` - Optionally, this can be set to control which
datacenter to use. For example, set it to "EU" to for Europe.
* `amazon_s3_dupindex` - Normally, when `usedirs` is enabled,
"index.html" in their names to work, you can enable this option. Then
each index.html file will be stored in S3 *twice*, under both names. This
will use more disk and bandwidth, and is not recommended unless you really
- need it for some reason.
+ need it for some reason. These days, it's probably better to configure
+ your S3 bucket as a website.
Note that you should still set `destdir` in the setup file. The files that
are uploaded to Amazon S3 will still be written to the destdir, too.