Update to latest H2.73, fix #483

index.html

@@ -187,7 +187,7 @@
         "ITU-T-H.273": {
           title: "ITU-T H.273, SERIES H: AUDIOVISUAL AND MULTIMEDIA SYSTEMS Infrastructure of audiovisual services – Coding of moving video. Coding-independent code points for video signal type identification",
           publisher: "ITU",
-          date: "2021-07",
+          date: "2024-07-14",
           href: "https://www.itu.int/rec/T-REC-H.273"
         },
         "ITU-T-V.42": {