Display for empty/missing XML attributes [was #7483]
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reported by [~wissenbach] at 2008-05-15
previously known as [trac#57|http://www.textgrid.de/trac/ticket/57] {color}
The editor displays attributes of the current XML element in the properties view. When an attribute is not set, vex will still display it as if it is set to the first value specified in the DTD.
Make it visible in the properties view that an attribute is not set (display "" as value or something)