 UWSYM                                                      Menu: (MWALS) MWEDT
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 Updates the order of layers in multi-layer walls by symmetry.

         1.   (CHAR) options: i - single mwall, s - selection group, a - all
      if option `i' is selected:
         2. * (IND) wall to be updated
         3. * (Y/N) confirm choice
      for all options:
         4. * (Y/N) keep the 3D display ? <y>
         5. * (Y/N) keep the result ?

 Description:
 This command updates the symmetry of multi-layer walls together with its
 corners, openings and T-junctions.
 You may change the symmetry of a single multi-layer wall, a selected group or
 all multi-layer walls together. The order of the layers of the wall are
 reversed but the wall or arc maintains its original position. Corners,
 openings and T-junctions associated with the wall are also adjusted according
 to the new symmetry. If you selected the single wall option, indicate and
 confirm the wall. You are asked if you want to keep the 3D display. You are
 then asked if you wish to keep the result.
 You are prompted to indicate another wall to update until you enter another
 command.
 NOTE: This command does not operate on multi-layer wall arcs. Use the \mwsym
 command instead.
