I forgot already why windows build is without having MagicMime support added, and failed to find a reason in the archives.
But [there is demand](https://github.com/datalad/datalad/pull/3956#pullrequestreview-335604805) from Windows users! ;)

Without such functionality we cannot consistently (cross-platform) use git-annex for many DataLad datasets, where text files (well -- soon "non-binary files") are configured to be committed directly to git.

[[!meta author=yoh]]
[[!tag projects/datalad]]
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