<?xml version="1.0"?><rss version="2.0" xmlns:py="http://genshi.edgewall.org/"                   xmlns:dc="http://purl.org/dc/elements/1.1/"                   xmlns:xi="http://www.w3.org/2001/XInclude">  <xi:include href="macros.rss" />  <channel>    <title>${project.name}</title>    <link>${abs_href.timeline()}</link>    <description>Trac Timeline</description>    <language>en-US</language>    <generator>Trac ${trac.version}</generator>    <image py:if="chrome.logo.src">      <title>${project.name}</title>      <url>${        chrome.logo.src_abs and chrome.logo.src_abs or abs_href(chrome.logo.src)      }</url>      <link>${abs_href.timeline()}</link>    </image>    <item py:for="event in events">      <title>${        plaintext(event.render('summary', context) or                   event.render('title', context), keeplinebreaks=False)      }</title>      ${author_or_creator(event.author, email_map)}      <py:with vars="abs_url = event.render('url', context)">        <pubDate>${http_date(event.date)}</pubDate>        <link>${abs_url}</link>      </py:with>      <guid isPermaLink="false">${abs_url}/${event.dateuid}</guid>      <description>${        unicode(event.render('description', context))      }</description>      <category>$event.kind</category>    </item>   </channel></rss>