Duck type each_ancestor

Author: drbrain

History.txt

@@ -2,6 +2,7 @@
 
 * Bug fixes
   * Fix infinite loop created when re-encountering BasicObject.
+  * RDoc::Context#each_ancestor is now provided for duck-typing.
 
 === 3.6 / 2011-05-13
 

lib/rdoc/context.rb

@@ -663,6 +663,13 @@ def display(method_attr) # :nodoc:
     end
   end
 
+  ##
+  # Iterator for ancestors for duck-typing.  Does nothing.  See
+  # RDoc::ClassModule#each_ancestor.
+
+  def each_ancestor # :nodoc:
+  end
+
   ##
   # Iterator for attributes