Content-Type: text/enriched
Text-Width: 70

<x-display><param>"replace"</param>test</x-display>

<x-display><param>(space-width 5)</param>large spaces</x-display>

<x-display><param>((margin left-margin) "string")</param>marginal text</x-display>

<x-display><param>(height 3)</param>tall text</x-display>

<x-display><param>(raise 5)</param>raised text</x-display>