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diff --git a/src/calibre/ebooks/oeb/transforms/margins.py b/src/calibre/ebooks/oeb/transforms/margins.py
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+#!/usr/bin/env python
+# vim:fileencoding=UTF-8:ts=4:sw=4:sta:et:sts=4:ai
+
+__license__   = 'GPL v3'
+__copyright__ = '2010, Kovid Goyal <kovid@kovidgoyal.net>'
+__docformat__ = 'restructuredtext en'
+
+
+class RemoveFakeMargins(object):
+    '''
+    Try to detect and remove fake margins inserted by asinine ebook creation
+    software on each paragraph/wrapper div. Can be used only after CSS
+    flattening.
+    '''
+
+    def __call__(self, oeb, opts, log):
+        self.oeb, self.opts, self.log = oeb, opts, log
+
+        from calibre.ebooks.oeb.base import XPath, OEB_STYLES
+
+        stylesheet = None
+        for item in self.oeb.manifest:
+            if item.media_type.lower() in OEB_STYLES:
+                stylesheet = item.data
+                break
+
+        if stylesheet is None:
+            return
+
+
+        top_level_elements = {}
+        second_level_elements = {}
+
+        for x in self.oeb.spine:
+            root = x.data
+            body = XPath('//h:body')(root)
+            if body:
+                body = body[0]
+
+            if not hasattr(body, 'xpath'):
+                continue
+
+            # Check for margins on top level elements
+            for lb in XPath('./h:div|./h:p|./*/h:div|./*/h:p')(body):
+                cls = lb.get('class', '')
+                level = top_level_elements if lb.getparent() is body else \
+                        second_level_elements
+                if cls not in level:
+                    level[cls] = []
+                    top_level_elements[cls] = []
+                level[cls].append(lb)
+
+
+    def get_margins(self, stylesheet, cls):
+        pass
+