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diff --git a/library/vendor/HTMLPurifier/ChildDef/Chameleon.php b/library/vendor/HTMLPurifier/ChildDef/Chameleon.php
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+<?php
+
+/**
+ * Definition that uses different definitions depending on context.
+ *
+ * The del and ins tags are notable because they allow different types of
+ * elements depending on whether or not they're in a block or inline context.
+ * Chameleon allows this behavior to happen by using two different
+ * definitions depending on context. While this somewhat generalized,
+ * it is specifically intended for those two tags.
+ */
+class HTMLPurifier_ChildDef_Chameleon extends HTMLPurifier_ChildDef
+{
+
+ /**
+ * Instance of the definition object to use when inline. Usually stricter.
+ * @type HTMLPurifier_ChildDef_Optional
+ */
+ public $inline;
+
+ /**
+ * Instance of the definition object to use when block.
+ * @type HTMLPurifier_ChildDef_Optional
+ */
+ public $block;
+
+ /**
+ * @type string
+ */
+ public $type = 'chameleon';
+
+ /**
+ * @param array $inline List of elements to allow when inline.
+ * @param array $block List of elements to allow when block.
+ */
+ public function __construct($inline, $block)
+ {
+ $this->inline = new HTMLPurifier_ChildDef_Optional($inline);
+ $this->block = new HTMLPurifier_ChildDef_Optional($block);
+ $this->elements = $this->block->elements;
+ }
+
+ /**
+ * @param HTMLPurifier_Node[] $children
+ * @param HTMLPurifier_Config $config
+ * @param HTMLPurifier_Context $context
+ * @return bool
+ */
+ public function validateChildren($children, $config, $context)
+ {
+ if ($context->get('IsInline') === false) {
+ return $this->block->validateChildren(
+ $children,
+ $config,
+ $context
+ );
+ } else {
+ return $this->inline->validateChildren(
+ $children,
+ $config,
+ $context
+ );
+ }
+ }
+}
+
+// vim: et sw=4 sts=4