-group:
-<br><br>
-\image html add.png
-<center>adds to the group the node selected in the viewer.</center>
-<br>
-\image html remove.png
-<center>removes from the group the selected node.</center>
-<br>
-\image html sort.png
-<center>moves the selected node to the first position in the
-group. This means that all other nodes will be merged into this
-one.</center><br>
+ group:
+ <br><br>
+ \image html add.png
+ <center>adds to the group the nodes selected in the viewer.</center>
+ <br>
+ \image html remove.png
+ <center>removes from the group the selected nodes.</center>
+ <br>
+ \image html sort.png
+ <center>moves the selected node to the first position in the
+ group in order to keep it in the mesh.</center><br>