Understand and bring into maintenance the test cases in LIGOLwWriter.c
In gstlal-spiir/lib/LIGOLw_xmllib/LIGOLwWriter.c
there’s some test code that perhaps exercises some of the functionality of the XML writing code. Figure out if these tests are still useful, how to run them, and then document that.
See also gstlal-spiir/lib/LIGOLw_xmllib/test/*