-/*!
-
-\page uniting_two_triangles_page Uniting two triangles
-
-\n In MESH you can union two neighboring triangles by deletion
-of the common edge.
-
-<em>To unite two triangles:</em>
-<ol>
-<li>From the \b Modification menu choose the <b>Union of two
-triangles</b> item or click <em>"Union of two triangles"</em> button
-in the tool-bar.
-
-\image html image71.png
-<center><em>"Union of two triangles" button</em></center>
-
-The following dialog box shall appear:
-
-\image html unionoftwotriangles.png
-
-</li>
-<li>Enter IDs of nodes forming the required edge in the \b Edge field
- (a couple of node IDs separated by a dash) or select this edge in
- the 3D viewer.</li>
-<li>Click the \b Apply or <b>Apply and Close</b> button.</li>
-</ol>
-
-\image html uniting_two_triangles1.png "The selected triangles"
-
-\image html uniting_two_triangles2.png "The union of two triangles"
-
-<br><b>See Also</b> a sample TUI Script of a
-\ref tui_uniting_two_triangles "Uniting Two Triangles" operation.
-
-*/