1var void
2var void
3def test_opchars "HLNRSVOGCaeohrwxdcbfugkvlpsnzt"
4def e_argument "argument expected"
5def e_missing "%s missing"
6def e_badop "%s: unknown operator"
7def e_tstbegin "[[ ! "
8def e_tstend " ]]\n"
9