UTF16 buffer boundary XALANJ-2725

[maxfortun]

https://issues.apache.org/jira/browse/XALANJ-2725

[jkesselm]

This changeset is incorporated -- and properly credited -- in https://github.com/apache/xalan-test/tree/XALANJ-2725, which I'm issuing a pull request for. So merging that will merge this, and I think we can close this separate pull request.

[keshlam@goldtooth xalan-test]$ git log
commit 9d999c2 (HEAD -> XALANJ-2725, origin/XALANJ-2725)

Author: kubycsolutions keshlam@kubyc.solutions
Date: Mon Jan 29 13:06:07 2024 -0500

Just improving testcase descriptions.

commit 518acad (maxfortun/fix/XALANJ-2725-buffer-boundary)
Author: Max Fortun Max.Fortun@wsj.com
Date: Mon Jan 29 11:26:59 2024 -0500

updated

commit 6650237 (origin/master, origin/HEAD, maxfortun/master, master)
Merge: 2c5248d 7c5b26a
Author: Joe Kesselman 131899227+jkesselm@users.noreply.github.com
Date: Tue Jan 23 16:53:48 2024 -0500

Merge pull request #9 from apache/XALANJ-2419

Make sure the new stream tests gate apitest success or failure