Message in Japanese (日本語)
'<var>X</var>' Window は既に Window '<var>Y</var>' の子です。
Unlocalized message
'<var>X</var>' Window is already a child of Window '<var>Y</var>'.
Search by Google'<var>X</var>' Window は既に Window '<var>Y</var>' の子です。
'<var>X</var>' Window is already a child of Window '<var>Y</var>'.
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