We can't have two @ingroup statements for one function, apparently.

diff --git a/include/deal.II/grid/grid_tools.h b/include/deal.II/grid/grid_tools.h
index da90f4e4d737fc0193c6b2198b323aadbf7ef502..a2d0b0a02b3767d14df58826fef72d029b78283d 100644 (file)
--- a/include/deal.II/grid/grid_tools.h
+++ b/include/deal.II/grid/grid_tools.h
@@ -1143,7 +1143,7 @@ namespace GridTools
    * boundary_ids are left untouched.
    *
    * @ingroup manifold
-   * @ingroup boundary
+   * @relatesalso boundary
    *
    * @author Luca Heltai, 2015
    */