ToME: the Tales of Maj'Eyal

A few tilesets such as the ones used for Ardhungol and the first level of the Temporal Rift are displaying incorrectly when there are diagonally adjacent empty tiles in a field of wall. For example will display three unconnected chambers despite it being walkable.

Example showing misleading apparently unconnected tunnels that are walkable. (to the left of the character)