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    <div>This test passes if this img tag below is empty and displays nothing. It ensures that the srcset attribute supports various forms of valid data uri schemes</div>
    <img src="" srcset="data:,plaintext 2x, data:;charset=us-ASCII,plaintext 3x, data:text/plain;charset=us-ASCII,plaintext 4x, data:text/plain,plaintext 5x, data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAJYAAAA8CAIAAAAL5NQ9AAAACXBIWXMAAAsTAAALEwEAmpwYAAAAB3RJTUUH2woaBQc4oLEFpAAAABl0RVh0Q29tbWVudABDcmVhdGVkIHdpdGggR0lNUFeBDhcAAACMSURBVHja7dNBEYAgFEVRPhHMYgAzUIsmVnFvB/fsoQb+ObfBmzMvxneW1D1vzz2wFiEUQiFEKIRCKIQIhVAIhRChEAqhECIUQiEUQoRCKIRCiFAIhVAIEep3xTWTLzzu5oVCKIRCiFAIhVAIEQqhEAohQiEUQiFEKIRCKIQIhVAIhRChEAqhECLUZi3VEwcBMGr1NgAAAABJRU5ErkJggg== 6x">
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