 WZWAL                                                              Menu: WALLS
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 Sets the active width and height of a symmetrical wall of uniform height.
 (A nested command.)

         1. (NUM) total wall width and height

 Description:
 This command sets the active width and height of a symmetrical wall of uniform
 height. (For asymmetrical walls or walls of varying height use \setwz.) Enter
 the total wall width and the height, and pick the first and next points of the
 wall. The wall may be created by using the \wall command.
 If you try to create walls without setting the \setwz values, the appropriate
 error message will be displayed.

         Example: \wzwal .2 3

 Result: A wall of width .2 and uniform height 3 is defined.
