Making special islands more attractive

src/mapper/autoseed.c

@@ -398,6 +398,10 @@ mkisland(int nsize)
               special = 1;
             }
 						terraform(rn, terrain);
+            /* the new region has an extra 15% chance to have laen */
+            if (rand() % 100 < 15) rsetlaen(r, 5 + rand() % 5);
+            /* the new region has an extra 20% chance to have mallorn */
+            if (rand() % 100 < 20) fset(r, RF_MALLORN);
 						add_regionlist(rend, rn);
 					}
 				}