Name
realbdry (surface) — Does a normal surface/hypersurface have real boundary?
Description
   A realbdry (surface) element stores whether or not a normal surface
   or hypersurface has
   real boundary, that is, whether it meets any boundary facets of the
   triangulation.
  
Parents
    The following elements contain realbdry (in the
    context of the boundary of a normal surface/hypersurface):
    hypersurface, surface.
   
Children
    Element realbdry (in the context of the boundary
    of a normal surface/hypersurface) has no children.
   
Attributes
- value
- 
      Either - Tor- F, according to
      whether the parent (hyper)surface does or does not have real boundary.