Want tests for nawk(1)
In preparation for updating nawk, it would be good to have a test suite to show that things don't break. Brian Kernighan has a set of tests that we can use, and some of the GNU AWK tests are also applicable.
Not all of the tests pass with the
nawk that is currently in master, so I'm only going to import the ones that are currently passing, and will add the rest later with the commits that fix them.
These changes are based on work done in OS-7046.