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Junio C Hamano authored
Introduce fmt_name() specifically meant for formatting the name and email pair, to add signed-off-by value. This reverts parts of 13208572 (builtin-commit: fix --signoff) so that an empty datestamp string given to fmt_ident() by mistake will error out as before. Signed-off-by: Junio C Hamano <gitster@pobox.com>
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