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Fix bug involving whitespace-only nodes. Thanks Eric Wald for reporting.

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Signed-off-by: Edward Z. Yang <edwardzyang@thewritingpot.com>
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Edward Z. Yang
2008-12-02 20:13:47 -05:00
parent f5cd2c07ea
commit 5cfecebb33
6 changed files with 26 additions and 3 deletions
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library/HTMLPurifier/ChildDef/Optional.php
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@@ -13,8 +13,10 @@ class HTMLPurifier_ChildDef_Optional extends HTMLPurifier_ChildDef_Required
public $type = 'optional';
public function validateChildren($tokens_of_children, $config, $context) {
$result = parent::validateChildren($tokens_of_children, $config, $context);
// we assume that $tokens_of_children is not modified
if ($result === false) {
if (empty($tokens_of_children)) return true;
elseif ($this->whitespace) return $tokens_of_children;
else return array();
}
return $result;