- Allow indentation of marked text by spaces as well as tabs?
- Allow indentation to add just enough columns to reach the nearest
multiple of tabsize, rather than always adding tabsize columns?
+- Allow piping marked text to an external command and replacing it with
+ the command's output (as the internal spell checker already does with
+ the "spell" command)?
- Rewrite the nano FAQ in SGML.
- Allow conversion between different character sets. Maybe use glib's
iconv() if the system's iconv() is inadequate, since we already use