Brandon Casey c97ee171a6 t0040,t1502: Demonstrate parse_options bugs ...

When the option spec contains no switches or only hidden switches,
parse_options will emit an extra blank line at the end of help output so
that the help text will end in two blank lines instead of one.

When parse_options produces internal help output after an error has
occurred it will emit blank lines within the usage string to stdout
instead of stderr.

Update t/helper/test-parse-options.c to have a description body in the
usage string to exercise this second bug and mark tests as failing in
t0040.

Add tests to t1502 to demonstrate both of these problems.

Signed-off-by: Brandon Casey <drafnel@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

2017-09-25 14:35:50 +09:00

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