* NEWS, src/newusers.c: Implement the -r, --system option.
* src/newusers.c: Use a bool when possible instead of int integers. * src/newusers.c: Avoid implicit conversion of pointers / integers / chars to booleans. * src/newusers.c: Ignore the return value of pam_end() before exiting. * src/newusers.c: Ignore return value of setlocale(), bindtextdomain(), and textdomain(). * src/newusers.c: Avoid multi-statements lines. * src/newusers.c: Add brackets and parenthesis.
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