Thank you. That's clearly a better change than I proposed.
Mar 14 2017
Mar 9 2017
By the way, the bit of code that was commented out apparently made its appearance in that form here:
Apply patch 4636051. COLLADA: Export selection.
Mar 8 2017
In Blender, we won't ever see these ids in the UI. The bones have a name property that retains the name "bone" even after export and re-import.
Mar 3 2017
Yes. We should be able to solve both. It's quite possible to remove the "on nodes without armature" from the title and intent of the bug.