From 621b82e1a5dfeb34602f336d645c670618d6db7e Mon Sep 17 00:00:00 2001
From: Carl Hetherington <cth@carlh.net>
Date: Sat, 12 Dec 2020 20:21:28 +0100
Subject: Bv2.1 6.2.1: Check that additional subtitle languages conform to RFC
 5646.

---
 src/verify.cc | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/verify.cc')

diff --git a/src/verify.cc b/src/verify.cc
index e5deb789..16233021 100644
--- a/src/verify.cc
+++ b/src/verify.cc
@@ -643,6 +643,10 @@ dcp::verify (
 			stage ("Checking CPL", cpl->file());
 			validate_xml (cpl->file().get(), xsd_dtd_directory, notes);
 
+			BOOST_FOREACH (string const& i, cpl->additional_subtitle_languages()) {
+				verify_language_tag (i, notes);
+			}
+
 			/* Check that the CPL's hash corresponds to the PKL */
 			BOOST_FOREACH (shared_ptr<PKL> i, dcp->pkls()) {
 				optional<string> h = i->hash(cpl->id());
-- 
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