On Sat, Jul 8, 2017, 6:35 AM Nicolas Goaziou <mail@nicolasgoaziou.fr> wrote:
Let me ask this the other way: is there any situation where "file://"
prefix is desirable?

I don't see why "file://" would be useful in html exports (or pdf, md, etc). It is probably needed only in org to org exports. 
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Kaushal Modi