-- <b>Mesh export</b>
- - If you toggle <b>Automatically create groups for MED export</b> check-box,
- this operation will be carried out automatically.
+- <b>Quality Controls</b>
+ - <b>Display entity</b> - if activated, only currently
+ \ref quality_page "controlled" entities are displayed in the
+ viewer and other entities are temporarily hidden. For example if you
+ activate \ref length_page "Length" quality control, which controls
+ the length of mesh segments, then only mesh segments are
+ displayed and faces and volumes are hidden.
+ - <b>Use precision</b> - if activated, all quality controls
+ will be computed at precision defined by <b>Number of digits after
+ point</b> - as integers by default.
+\anchor dbl_nodes_tol_pref
+ - <b>Double nodes tolerance</b> - defines the maximal distance between two
+ mesh nodes, at which they are considered coincident by
+ \ref double_nodes_control_page "Double nodes" quality control.
+ This value is also used in \ref mesh_quality_info_anchor "Quality Info"
+ tab page of \ref mesh_infos_page dialog.