{image: image.png}
{image: "image with spaces.png"}

{image: image.png scale=2     }
{image: "image with spaces.png"    scale=.20}
{image:        image.png scale=1.2}

{image: image.png width=2cm}
{image: "image with spaces.png" height=2cm}
{image: image.png width=2cm height=1cm}

{image: image.png width=2em}
{image: "image with spaces.png" height=2em}
{image: image.png width=2em height=1em}

{image: image.png width=50pt}
{image: "image with spaces.png" height=50pt}
{image: image.png width=50pt height=100pt}

{image: image.png width=2.5cm}
{image: "image with spaces.png" height=2.5cm}
{image: image.png width=2.5cm height=1.5cm}

{image: image.png width=3cm height=10pt}
{image: "image with spaces.png" width=10pt height=3cm}

{image: image.png width= height=}
{image: image.png error=foo}
{image: "image with spaces.png" not_a_size}
{image: "image with spaces.png" too many arguments}
{image: image.png width=2ex height=3km}
{image: image.png width=2cm width=3cm}
{image: image.png width=2cm scale=3cm}
{image: image.png width=2cm scale=3}
{image: }