t / t5100 / rfc2047-info-0004on commit ls-files -k: a directory only can be killed if the index has a non-directory (2eac2a4)
   1Author: Nathaniel Borenstein (םולש ןב ילטפנ)
   2Email: nsb@thumper.bellcore.com
   3Subject: Test of new header generator
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