diff -r 52628cd73d3e -r 077683371b7b mercurial/revset.py
--- a/mercurial/revset.py	Thu Apr 16 18:30:08 2015 -0500
+++ b/mercurial/revset.py	Sun Apr 12 19:00:31 2015 +0900
@@ -1898,10 +1898,8 @@
     """
     return author(repo, subset, x)
 
+# experimental
 def wdir(repo, subset, x):
-    """``wdir()``
-    Working directory.
-    """
     # i18n: "wdir" is a keyword
     getargs(x, 0, 0, _("wdir takes no arguments"))
     if None in subset: