- * meanings. This is the standard which should be used to interpret v_align() in this subtitle;
- * valign_standard == SMPTE means:
+ * meanings. To add some extra confusion, it seems that SMPTE changed their minds on this topic
+ * between the 2010 and 2014 versions of standard 428-7, so there isn't even one answer for SMPTE.
+ *
+ * This is the standard which should be used to interpret v_align() in this subtitle.
+ *
+ * valign_standard == SMPTE_{2007,2010} means: