die "$MUTT is not in PATH, set MUTT variable"
fi
+case $MUTTJUMP_MODE in
+ limit|search)
+ ;;
+ *)
+ die "variable MUTTJUMP_MODE must be set to \"limit\" or \"search\""
+ ;;
+esac
+
# search for Message-ID in STDIN
if type -p $FORMAIL >/dev/null ; then
msgid=$($FORMAIL -c -z -x Message-ID | head -n1)