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由 Bo Yang 提交于
Since the graph prefix will be printed when calling emit_line, so the functions should be used to emit a complete line out once a time. No one should call emit_line to just output some strings instead of a complete line. Use a strbuf to compose the whole line, and then call emit_line to output it once. Signed-off-by: NBo Yang <struggleyb.nku@gmail.com> Signed-off-by: NJunio C Hamano <gitster@pobox.com>
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