BONUS CONTENT Extended characters used in major European languages grouped by language and by the Latin letter they are based on. This content is associated with Chapter 3 of the book.
| Character | Languages | |
| á Á | cs Czech, cy Welsh, es Spanish, fo Faroese, ga Irish, gl Galician, hu Hungarian, is Icelandic, nl Dutch, no Norwegian, pt Portuguese, sk Slovak, sv Swedish | |
| à À | ca Catalan, cy Welsh, fr French, gd Scottish Gaelic, it Italian, mt Maltese, nl Dutch, no Norwegian, pt Portuguese, sv Swedish | |
| â Â | br Breton, cy Welsh, fr French, nl Dutch, no Norwegian, pt Portuguese, ro Romanian, sq Albanian, tr Turkish | |
| ä Ä | cy Welsh, de German, et Estonian, fi Finnish, lb Luxembourgish, nl Dutch, sk Slovak, sv Swedish | |
| ă Ă | ro Romanian | |
| ā Ā | lv Latvian | |
| ã Ã | pt Portuguese | |
| å Å | da Danish, fi Finnish, kl Greenlandic, no Norwegian, sv Swedish | |
| ą Ą | lt Lithuanian, pl Polish | |
| æ Æ | da Danish, fo Faroese, fr French, is Icelandic, kl Greenlandic, no Norwegian | |