This is a follow-up for #1842718: Use new Transliteration functionality in core, which in turn is a follow-up task for #567832: Transliteration in core.
Posted by andypost on February 23, 2013 at 8:53pm:
Not sure we able to add a "original filename" field for file entity - this cold be a feature but Very useful in success D8MI so probably we need a follow-up here.
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