Utilities>Buffer Options displays a dialog box for changing editor settings on a per-buffer basis. Changes made in this dialog box are not retained after the buffer is closed.
The following settings can be changed here:
The line separator (see Section , “Line Separators”)
The character encoding (see Section , “Character Encodings”)
If the file should be GZipped on disk (see Section , “Opening Files”)
The edit mode (see Section , “Edit Modes”)
The fold mode (see Section , “Folding”)
The wrap mode and margin (see Section , “Wrapping Long Lines”)
The tab width (see Section , “Tabbing and Indentation”)
The indent width
If soft tabs should be used (see Section , “Tabbing and Indentation”)