-will assume a value of \*(lqUS-ASCII\*(rq.
-If the character set cannot be displayed natively, then
-.B mhshow
-will look for an entry of the form:
-.PP
-.RS 5
-mhshow-charset-<charset>
-.RE
-.PP
-which should contain a command creating an environment to render
-the character set. This command string should containing a single
-\*(lq%s\*(rq, which will be filled-in with the command to display the
-content.
-.PP
-Example entries might be:
-.PP
-.RS 5
-mhshow-charset-iso-8859-1: xterm -fn '-*-*-medium-r-normal-*-*-120-*-*-c-*-iso8859-*' -e %s
-.RE
+checks this by first examining the the environment
+variable
+.B $MM_CHARSET
+and if not set, taking the character encoding of the current locale.