Anders Waldenborg fd2015b323 strbuf: separate callback for strbuf_expand:ing literals ...

Expanding '%n' and '%xNN' is generic functionality, so extract that from
the pretty.c formatter into a callback that can be reused.

No functional change intended

Signed-off-by: Anders Waldenborg <anders@0x63.nu>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2019-01-29 10:03:32 -08:00

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