Delimiter showing attribute members on a form

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Hi,

 

Does anyone know if it is possible to display the attribute dimension for members when surfacing on a form? We have enabled custom attributes and are using a user variable for the attribute to select a particular attribute member. When displayed this is showing the member name then a square character and then the attribute member. The square block isn't that great in terms visuals so we were wondering if this could be displayed in a different way.

Thanks