@item nil
Use just the email address, as in @samp{king@@grassland.com}.
@item parens
-Use both email address and full name, as in @samp{king@@grassland.com (Elvis
-Parsley)}.
+Use both email address and full name, as in:@*
+@samp{king@@grassland.com (Elvis Parsley)}.
@item angles
-Use both email address and full name, as in @samp{Elvis Parsley
-<king@@grassland.com>}.
+Use both email address and full name, as in:@*
+@samp{Elvis Parsley <king@@grassland.com>}.
@item system-default
Allow the system to insert the @samp{From} field.
@end table