patch to make anolis --filter op

diff -r 16550726fd0d anolislib/processes/filter.py--- a/anolislib/processes/filter.py	Sun Aug 30 16:53:19 2009 -0500+++ b/anolislib/processes/filter.py	Mon Jan 25 20:00:28 2010 +0900@@ -8,20 +8,4 @@         remove(element)  def remove(element):-    if element.tail:-        if element.getprevious() is not None:-            target = element.getprevious()-            if target.tail:-                target.tail += element.tail-            else:-                target.tail = element.tail-        else:-            target = element.getparent()-            if target.text:-                target.text += element.text-            else:-                target.text = element.text-        -    element.getparent().remove(element)--        +    element.drop_tree()