...
During
...
automatic
...
...
,
...
additional
...
nodes
...
are
...
created
...
within
...
structural
...
members
...
to
...
enable
...
...
.
...
When
...
located
...
along
...
an
...
object
...
edge,
...
these
...
internal
...
nodes
...
are
...
included
...
in
...
the
...
section-cut
...
group
...
if
...
both
...
end
...
...
are
...
included
...
in
...
the
...
...
...
.
...