0.12ではsite.html.sampleが自動生成される
<html xmlns="http://www.w3.org/1999/xhtml"
xmlns:xi="http://www.w3.org/2001/XInclude"
xmlns:py="http://genshi.edgewall.org/"
py:strip="">
<!--!
This file allows customizing the appearance of the Trac installation.
Add your customizations here and rename the file to site.html. Note that
it will take precedence over a global site.html placed in the directory
specified by [inherit] templates_dir.
More information about site appearance customization can be found here:
http://trac.edgewall.org/wiki/TracInterfaceCustomization#SiteAppearance
-->
</html>