/*!

\page free_edges_page Free edges

\n This mesh quality control highlights borders of faces
consisting of node links belonging to one face only.

\image html free_edges.png
<center>In this picture some elements of mesh have been deleted and
the "holes" are outlined in red.</center>

<br><b>See Also</b> a sample TUI Script of a 
\ref tui_free_edges "Free Edges quality control" operation.  

*/