MDL-14898 upgraded html purifier to 3.1.0 in HEAD

lib/htmlpurifier/HTMLPurifier/Token/Text.php

@@ -0,0 +1,30 @@
+<?php
+
+/**
+ * Concrete text token class.
+ * 
+ * Text tokens comprise of regular parsed character data (PCDATA) and raw
+ * character data (from the CDATA sections). Internally, their
+ * data is parsed with all entities expanded. Surprisingly, the text token
+ * does have a "tag name" called #PCDATA, which is how the DTD represents it
+ * in permissible child nodes.
+ */
+class HTMLPurifier_Token_Text extends HTMLPurifier_Token
+{
+    
+    public $name = '#PCDATA'; /**< PCDATA tag name compatible with DTD. */
+    public $data; /**< Parsed character data of text. */
+    public $is_whitespace; /**< Bool indicating if node is whitespace. */
+    
+    /**
+     * Constructor, accepts data and determines if it is whitespace.
+     * 
+     * @param $data String parsed character data.
+     */
+    public function __construct($data, $line = null) {
+        $this->data = $data;
+        $this->is_whitespace = ctype_space($data);
+        $this->line = $line;
+    }
+    
+}