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@@ -112,15 +112,9 @@ module Planet
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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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+    # ensure that non-void elements don't use XML's empty element syntax
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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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+      node.text = '' unless HTML5::VOID_ELEMENTS.include? node.name
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     end
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     node.elements.each {|child| sanitize child, fido}

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@@ -0,0 +1,14 @@
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+require 'test/unit'
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+require 'planet/sift'
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+
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+class SiftTestCase < Test::Unit::TestCase
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+  ATOMNS = 'xmlns="http://www.w3.org/2005/Atom"'
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+
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+  def test_empty_formatting_elements
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+    # http://github.com/bronson/mars/commit/775bc2a397c7812ae67b9979f288c3c835aab059
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+    title = "<title type='html' #{ATOMNS}>&lt;i/&gt;</title>"
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+    doc = Planet::XmlParser.parse(title)
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+    Planet.sift doc, nil
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+    assert_equal '<i></i>', doc.elements['title/div'].to_a.join
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+  end
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+end

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@@ -15,4 +15,10 @@ class XmlParserTestCase < Test::Unit::TestCase
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     doc = Planet::XmlParser.parse('<e a="&amp;"/>')
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     assert_nil doc.to_s.index('&amp;amp;')
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   end
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+
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+  def test_bozo
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+    # http://github.com/bronson/mars/commit/567e2f3f459d446f0530bbd4c8acb00dde378420
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+    doc = Planet::XmlParser.parse('<e a="&amp;">')
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+    assert doc.bozo
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+  end
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 end