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@@ -112,6 +112,17 @@
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   include HTML5::HTMLSanitizeModule
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   @sanitizer = HTML5::HTMLSanitizer.new ''
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   def Planet.sanitize node, fido
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+    # cull empty formatting elements.  They can cause FF & Konq to nest badly.
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+    # For instance, <i/> causes everything after it to italicized, including other entries.
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+    if node.elements.size == 0 && node.text == nil
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+      if %w{abbr acronym b big cite code del dfn em i ins kbd s
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+            samp small strike strong sub sup tt u var}.include? node.name
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+        # If the node has no children and no text, it can only cause trouble.
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+        node.remove
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+        return
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+      end
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+    end
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+
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     node.elements.each {|child| sanitize child, fido}
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     if node.namespace == 'http://www.w3.org/1999/xhtml'