diff -r b39d85be78a8 -r 395ca8cd2669 mercurial/revset.py
--- a/mercurial/revset.py	Tue Sep 20 20:19:48 2011 +0200
+++ b/mercurial/revset.py	Tue Sep 20 20:21:04 2011 +0200
@@ -243,6 +243,7 @@
     - ``range``      : all csets taking part in the bisection
     - ``pruned``     : csets that are good, bad or skipped
     - ``untested``   : csets whose fate is yet unknown
+    - ``ignored``    : csets ignored due to DAG topology
     """
     status = getstring(x, _("bisect requires a string")).lower()
     return [r for r in subset if r in hbisect.get(repo, status)]