Tvheadend

current form of EPG is short

lets make it more informative

ISO-8859-1 - Latin 1
          Western Europe and Americas: Afrikaans, Basque, Catalan, Danish, Dutch, English, Faeroese, Finnish, French, Galician, German, Icelandic, Irish, Italian, Norwegian, Portuguese, Spanish and Swedish.
ISO-8859-2 Latin 2
          Latin-written Slavic and Central European languages: Czech, German, Hungarian, Polish, Romanian, Croatian, Slovak, Slovene.
ISO-8859-3 - Latin 3
          Esperanto, Galician, Maltese, and Turkish.
ISO-8859-4 - Latin 4
          Scandinavia/Baltic (mostly covered by 8859-1 also): Estonian, Latvian, and Lithuanian. It is an incomplete predecessor of Latin 6.
ISO-8859-5 - Cyrillic
          Bulgarian, Byelorussian, Macedonian, Russian, Serbian and Ukrainian.
ISO-8859-6 - Arabic
          Non-accented Arabic.
ISO-8859-7 - Modern Greek
          Greek.
ISO-8859-8 - Hebrew
          Non-accented Hebrew.
ISO-8859-9 - Latin 5
          Same as 8859-1 except for Turkish instead of Icelandic
ISO-8859-10 - Latin 6
          Latin6, for Lappish/Nordic/Eskimo languages: Adds the last Inuit (Greenlandic) and Sami (Lappish) letters that were missing in Latin 4 to cover the entire Nordic area.
ISO-8859-11
          Latin/Thai alphabet
ISO 8859-12 was later slated for Latin/Devanagari, but this was abandoned in 1997, during the 12th meeting of ISO/IEC JTC 1/SC 2/WG 3 in Iraklion-Crete, Greece, 4 to 7 July 1997. The Celtic proposal was changed to ISO 8859-14.
ISO 8859-13 Baltic languages plus Polish
ISO 8859-14 Celtic languages (Irish Gaelic, Scottish, Welsh)
ISO 8859-15 Added the Euro sign and other rationalisations to ISO 8859-1
ISO 8859-16 Central, Eastern and Southern European languages (Albanian, Bosnian, Croatian, Hungarian, Polish, Romanian, Serbian and Slovenian, but also French, German, Italian and Irish Gaelic)

https://en.wikipedia.org/wiki/Character_encoding#Common_character_encodings