add JPEG variant

mutt/mailcap

@@ -0,0 +1,13 @@
+##
+##  @l_prefix@/etc/mutt/mailcap -- Global Mutt Mail Capability Database
+##  Copyright (c) 1998-2001 Ralf S. Engelschall <rse@engelschall.com>
+##
+
+text/html;              (w3m %s) 2>/dev/null || (lynx %s) 2>/dev/null || netscape -remote openURL\(%s\)
+image/gif;              (xv %s) 2>/dev/null || display %s
+image/jpg;              (xv %s) 2>/dev/null || display %s
+image/jpeg;             (xv %s) 2>/dev/null || display %s
+application/pdf;        (mgv %s) 2>/dev/null || (gv %s) 2>/dev/null || (ghostview %s) 2>/dev/null || gs %s
+application/postscript; (mgv %s) 2>/dev/null || (gv %s) 2>/dev/null || (ghostview %s) 2>/dev/null || gs %s
+application/x-dvi;      xdvi %s
+