\Configure{IMG}
{\special{t4ht=<!-- src="}}
{\special{t4ht=" alt="}}
{" }
{\special{t4ht=" }}
{\special{t4ht=-->}%
\openin15=\PictureFile \relax
\ifeof15 \:warning{\PictureFile\space is not available}%
\else \closein15 \special{t4ht*<\PictureFile}\fi
}
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