日本語は分からないけどソースには
* Marks the variable as safe and removes the auto-escape function, only useful if you turned auto-escaping on
* <pre>
* * var : the variable to pass through untouched
* </pre>
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* In no event will the authors be held liable for any damages arising from the use of this software.

と書かれている
>>607と>>609は正しいの？