+ int acx, acy, asz, empty = 0;
+
+ if (num == 0 && !(f & F_ARROW_POINT) && !(f & F_ARROW_INPOINT)) {
+ empty = 1;
+ /*
+ * We don't display text in empty cells: typically these are
+ * signified by num=0. However, in some cases a cell could
+ * have had the number 0 assigned to it if the user made an
+ * error (e.g. tried to connect a chain of length 5 to the
+ * immutable number 4) so we _do_ display the 0 if the cell
+ * has a link in or a link out.
+ */
+ }