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cheat code link now points to new article
== Editing ==
During the design of a level, [[linedef]]s can be flagged by the author so as not to appear on the automap even if the [[computer map]] powerup is obtained. However, the <tt>iddt</tt> [[Doom cheat codes|cheat code]] will display all lines.
To avoid giving away [[secrets]], concealed doors can also be marked so as to initially appear red on the map, as though they were solid walls.
== Trivia ==
The <tt>iddt</tt> [[Doom cheat codes|cheat code]] can be used to display all items on the map. Zooming in closely on the player while this is active shows the letters "ddt", a reference to [[Dave Taylor]] who wrote the automap code.
[[Boom]] modifies this: the letters "jff" are visible instead, a reference to [[Jim Flynn]].
[[Category:Gameplay]]
