Inform supports only Latin languages…
The parser supports only the English alphabet with the addition of the :
ä, á, à, ã, å, â and Ä, Á, À, Ã, Å, Â
ë, é, è, ê and Ë, É, È, Ê
ï, í, ì, î and Ï, Í, Ì, Î
ö, ó, ò, õ, ø, ô and Ö, Ó, Ò, Õ, Ø, Ô
ü, ú, ù, û and Ü, Ú, Ù, Û
ÿ, ý and Ý (but not Ÿ)
ñ and Ñ
ç and Ç
æ and Æ (but not œ or Œ)
ß
¡, ¿
Just to give heads up to people who are trying to find an if system for a non Latin language before they lose their time reading the documentation or trying the program…