The command 'nl -b n' should output no line numbers, just some
spaces as a placeholder followed by the actual file content.
Add tests for line numbering by cat and nl. The correct results
were obtained from coreutils.
function old new delta
print_numbered_lines 152 157 +5
.rodata 182456 182453 -3
------------------------------------------------------------------------------
(add/remove: 0/0 grow/shrink: 1/1 up/down: 5/-3) Total: 2 bytes
Signed-off-by: Ron Yorston <rmy@pobox.com>
Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com>
