implement per-thread Atom feeds

This allows users to subscribe to only a single thread
with their feed reader without subscribing to the rest of
the thread.

Update our endpoint notes while we're at it.

1 files changed, 2 insertions, 1 deletions

diff --git a/lib/PublicInbox/View.pm b/lib/PublicInbox/View.pm
index 477c4b6f..a30bf70a 100644
--- a/lib/PublicInbox/View.pm
+++ b/lib/PublicInbox/View.pm
@@ -160,7 +160,8 @@ sub emit_thread_html {
         my $next = "<a\nid=\"s$final_anchor\">";
         $next .= $final_anchor == 1 ? 'only message in' : 'end of';
         $next .= " thread</a>, back to <a\nhref=\"../../\">index</a>\n";
-        $next .= "download: <a\nhref=\"mbox.gz\">mbox.gz</a>\n\n";
+        $next .= "download: <a\nhref=\"mbox.gz\">mbox.gz</a>";
+        $next .= " / <a\nhref=\"atom\">Atom feed</a>\n\n";
         $fh->write("<hr />" . PRE_WRAP . $next . $foot .
                    "</pre></body></html>");
         $fh->close;