Manual:DIL Manual/extraptr

The extraptr has the following fields:

   extraptr:
      'names'        :stringlist (RW)
         names is a list of strings of names, that the extra description matches on.
      'descr'        :string (RW)
         descr is the contents of the extra description.
      'next'         :extraptr (RO)
         next is the next extra description in a list.
      'vals'        :intlist (RW)
         vals is a list of integer values attached to this extra.

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The unitptr is the key structure in the MUD, containing any kind of the
following subtypes:

   object      : a normal object, a sword, a vail, etc.
   room        : a room, location or the like.
   pc          : a playing character.
   npc         : a non playing character (mobile, monster, etc)

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