編譯 nano 2.4.1 版時，遇到以下問題。此現象會造成 nano 無法正確支援 UTF-8。
所以，問題的關鍵就在 ncurses 身上，只要編譯 ncurses 支援寬字集(–enable-widec)，就可以解決它了。
*** Insufficient UTF-8 support was detected in your curses and/or C
*** libraries. If you want UTF-8 support, please verify that your slang
*** was built with UTF-8 support or your curses was built with wide
*** character support, and that your C library was built with wide
*** character support.