--- a/doc/hgrc.5.txt Tue Mar 08 10:03:01 2011 -0600
+++ b/doc/hgrc.5.txt Tue Mar 08 13:05:18 2011 -0600
@@ -556,6 +556,12 @@
tool. Mercurial will search for this key first under
``HKEY_CURRENT_USER`` and then under ``HKEY_LOCAL_MACHINE``.
Default: None
+``regkeyalt``
+ An alternate Windows registry key to try if the first key is not
+ found. The alternate key uses the same ``regname`` and ``regappend``
+ semantics of the primary key. The most common use for this key
+ is to search for 32bit applications on 64bit operating systems.
+ Default: None
``regname``
Name of value to read from specified registry key. Defaults to the
unnamed (default) value.