@section Rmail and Coding Systems
@cindex decoding mail messages (Rmail)
- Rmail automatically decodes messages which contain non-ASCII
+ Rmail automatically decodes messages which contain non-@acronym{ASCII}
characters, just as Emacs does with files you visit and with subprocess
output. Rmail uses the standard @samp{charset=@var{charset}} header in
the message, if any, to determine how the message was encoded by the