Description
PR https://github.com/apache/daffodil/pull/537 adds tests which illustrate the bug.
The tests are test_sep_ssp_never_1 to test_sep_ssp_never_4.
See also DAFFODIL-2219 and DAFFODIL-2274
There are other tickets associated with other values of separatorSuppressionPolicy:
DAFFODIL-2498, DAFFODIL-2217, which should also be considered.