Ruby 1.9 Compatibility

Completely removed the html5lib sanitizer.
Fixed the string-handling to work in both
Ruby 1.8.x and 1.9.2. There are still,
inexplicably, two functional tests that
fail. But the rest seems to work quite well.

attic/vendor/plugins/HTML5lib/testdata/serializer/options.test

@@ -0,0 +1,60 @@
+{"tests":[
+
+{"description": "quote_char=\"'\"",
+ "options": {"quote_char": "'"},
+ "input": [["StartTag", "span", {"title": "test 'with' quote_char"}]],
+ "expected": ["<span title='test &#39;with&#39; quote_char'>"]
+},
+
+{"description": "quote_attr_values=true",
+ "options": {"quote_attr_values": true},
+ "input": [["StartTag", "button", {"disabled": "disabled"}]],
+ "expected": ["<button disabled>"],
+ "xhtml":    ["<button disabled=\"disabled\">"]
+},
+
+{"description": "quote_attr_values=true with irrelevant",
+ "options": {"quote_attr_values": true},
+ "input": [["StartTag", "div", {"irrelevant": "irrelevant"}]],
+ "expected": ["<div irrelevant>"],
+ "xhtml":    ["<div irrelevant=\"irrelevant\">"]
+},
+
+{"description": "use_trailing_solidus=true with void element",
+ "options": {"use_trailing_solidus": true},
+ "input": [["EmptyTag", "img", {}]],
+ "expected": ["<img />"]
+},
+
+{"description": "use_trailing_solidus=true with non-void element",
+ "options": {"use_trailing_solidus": true},
+ "input": [["StartTag", "div", {}]],
+ "expected": ["<div>"]
+},
+
+{"description": "minimize_boolean_attributes=false",
+ "options": {"minimize_boolean_attributes": false},
+ "input": [["StartTag", "div", {"irrelevant": "irrelevant"}]],
+ "expected": ["<div irrelevant=irrelevant>"],
+ "xhtml":    ["<div irrelevant=\"irrelevant\">"]
+},
+
+{"description": "minimize_boolean_attributes=false with empty value",
+ "options": {"minimize_boolean_attributes": false},
+ "input": [["StartTag", "div", {"irrelevant": ""}]],
+ "expected": ["<div irrelevant=\"\">"]
+},
+
+{"description": "escape less than signs in attribute values",
+ "options": {"escape_lt_in_attrs": true},
+ "input": [["StartTag", "a", {"title": "a<b>c&d"}]],
+ "expected": ["<a title=\"a&lt;b>c&amp;d\">"]
+},
+
+{"description": "rcdata",
+ "options": {"escape_rcdata": true},
+ "input": [["StartTag", "script", {}], ["Characters", "a<b>c&d"]],
+ "expected": ["<script>a&lt;b&gt;c&amp;d"]
+}
+
+]}