libdcp/test/smpte_subtitle_test.cc, branch split

Rename everything.

2023-12-04T23:49:33Z

Re-read MXF descriptor after adding a key to a SMPTE subtitle asset (DoM #2660).

2023-11-20T20:05:41Z

Simple pass-through of tags in subtitles.

2023-11-15T19:14:55Z

Cleanup: ues BOOST_CHECK_EQUAL.

2023-05-11T18:27:24Z

Remove some debugging prints.

2023-05-11T18:27:24Z

Remove xmlns:xs namespace from subtitle XML (DoM #2498).

2023-04-19T10:59:37Z

Fix tests again on Windows.

2023-02-27T09:46:36Z

Fix tests with different library versions.

2023-02-26T19:56:34Z

Be explicit about the version of SMPTE 428-7 that is used for subtitles,

2023-02-17T23:35:01Z

and default to writing the 2014 namespace.

In Deluxe's "Specifications for Digital Cinema Source and DCP Content Delivery"

2023-02-02T00:37:16Z

they say that subtitle must be of the form yyyy-mm-ddThh:mm:ss They don't explain it, and the standards don't say this (as far as I can see) but as usual their QC fails that don't meet this "spec" so here we are. See also: https://dcpomatic.com/forum/viewtopic.php?t=2069