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Petri Latvala authored
Best practices for the help string formatting, along with explicit symbols for the possible return values for the callback. Also documented: Do not call the _parse_opts functions yourself, use igt_main_args or igt_simple_main_args. Signed-off-by: Petri Latvala <petri.latvala@intel.com> Reviewed-by: Arkadiusz Hiler <arkadiusz.hiler@intel.com>
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