Xfburn misses some MimeType to be able to open blank CD and audio CD when there are inserted. It can be reproduced if you use nautilus or pcmanfm. Following the spec (http://cgit.freedesktop.org/xdg/shared-mime-info/tree/shared-mime-info-spec.xml), I think the following can be added : x-content/audio-cdda;x-content/blank-cd; The attached patch fix the problem, and also fix some validation warning reported on xfce bug 6691.
Created attachment 3540 Patch for this issue
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