--- a/viewer.py	Sat May 02 17:30:49 2015 +0800
+++ b/viewer.py	Sat May 02 18:03:17 2015 +0800
@@ -75,6 +75,9 @@
     def results_tsv(self):
         self.set_header('Content-Type', 'text/plain; charset=UTF-8')
         changesets, results = self.getdata()
+        self.write('rev\tnode\t')
+        self.write('\t'.join(MARKS.keys()))
+        self.write('\n')
         for cset in changesets:
             self.write('%(rev)s\t%(node)s\t' % cset)
             self.write('\t'.join(