\catcode`\@=11
\let\islandpairdata\undefined\let\islandpairbox\undefined
\let\islandpairboxa\undefined\let\islandtripledata\undefined
\let\islandtriplebox\undefined\let\islandtripleboxa\undefined
\let\Figurepair\undefined\let\Figuretriple\undefined
\let\Tablepair\undefined\let\Tabletriple\undefined
\let\AAplace\undefined\let\AAplace@\relax\let\Bplace\undefined
\let\Bplace@\relax\let\Place@\relax\let\Cplace\undefined
\let\Cplace@\relax\let\Mplace\undefined\let\Mplace@\relax
\let\MXplace\undefined\let\MXplace@\relax\let\Par\undefined
\let\endPar\undefined
\catcode`\@=\active