Start working on HTMLPurfier for WYSIWYG Input

plugins/htmlpurifier/standalone/HTMLPurifier/ConfigSchema/schema/CSS.AllowDuplicates.txt

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+CSS.AllowDuplicates
+TYPE: bool
+DEFAULT: false
+VERSION: 4.8.0
+--DESCRIPTION--
+<p>
+  By default, HTML Purifier removes duplicate CSS properties,
+  like <code>color:red; color:blue</code>.  If this is set to
+  true, duplicate properties are allowed.
+</p>
+--# vim: et sw=4 sts=4