-int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reload, int noreload) {
+// unordered list characters
+//
+// override via env vars:
+// export MDP_LIST_OPEN1=" " MDP_LIST_OPEN2=" " MDP_LIST_OPEN3=" "
+// export MDP_LIST_HEAD1=" ■ " MDP_LIST_HEAD2=" ● " MDP_LIST_HEAD3=" ▫ "
+static const char *list_open1 = " | ";
+static const char *list_open2 = " | ";
+static const char *list_open3 = " | ";
+static const char *list_head1 = " +- ";
+static const char *list_head2 = " +- ";
+static const char *list_head3 = " +- ";
+
+int ncurses_display(deck_t *deck, int notrans, int nofade, int invert, int reload, int noreload, int slidenum) {