message: Refion -> Region lol
diff: @@ -91,7 +91,7 @@ namespace RINGMesh {
  * its incident mesh entity
  * "Line" is incident of "Corner"
  * "Surface" is incident of "Line"
  - * "Refion" is incident of "Surface"
  + * "Region" is incident of "Surface"
  */
  template< index_t DIMENSION >
  struct MeshEntityTypeIncidentEntityMapBase {
  