Why aren't zero length extents duplicable?
Andy Piper writes:
Zero length extents, attached to text with duplicable set do not get
preserved by concat. Why is this?
Bug, which I think I fixed last year. Patch wasn't applied.
I'll dig it up.
Is there any way of forcing extent duplication in concat, even
if extents aren't marked as duplicable? This is from C.
Why not make them duplicable?