XHTMLSerializer: Don't encode characters in <script> and <style> elements to avoid JavaScript parsing errors. This behaviour has been pulled up from the HTMLSerializer. Fixes https://issues.apache.org/jira/browse/COCOON-2249.
cocoon/trunk/blocks/cocoon-serializers/cocoon-serializers-charsets/src/main/java/org/apache/cocoon/components/serializers/util/HTMLSerializer.java