Replies show up as comments after moderation, and favourites show up as Likes under each of the articles. This is good enough for my use case there, where I only want to sort names in a reasonable fashion. Each letter defined in the Unicode standard has properties associated with it. If you examine the chart you will fined that for 0061;LATIN SMALL LETTER A the GC is Ll (Letter, Lower-case). The flag emoji from my example is composed of two characters: 1F1F5;REGIONAL INDICATOR SYMBOL LETTER P and 1F1F8;REGIONAL INDICATOR SYMBOL LETTER S .