* conditions into a ConstraintMatrix @p constraint_matrix.
*
* This is the main high level interface for above low level variant of
- * make_periodicity_constraints. It takes an std::vector @p
+ * make_periodicity_constraints(). It takes an std::vector @p
* periodic_faces as argument and applies above
* make_periodicity_constraints on each entry. The std::vector @p
* periodic_faces can be created by GridTools::collect_periodic_faces.
*
* This function tries to match all faces belonging to the first
* boundary with faces belonging to the second boundary with the help
- * of @p orthogonal_equality.
+ * of orthogonal_equality().
*
* If this matching is successful it constrains all DoFs associated
* with the 'first' boundary to the respective DoFs of the 'second'
* The @p offset is a vector tangential to the faces that is added to
* the location of vertices of the 'first' boundary when attempting to
* match them to the corresponding vertices of the 'second' boundary via
- * @p orthogonal_equality. This can be used to implement conditions such
+ * orthogonal_equality (). This can be used to implement conditions such
* as $u(0,y)=u(1,y+1)$.
*
* @deprecated This function is deprecated. Use
* The @p offset is a vector tangential to the faces that is added to
* the location of vertices of the 'first' boundary when attempting to
* match them to the corresponding vertices of the 'second' boundary via
- * @p orthogonal_equality. This can be used to implement conditions such
+ * orthogonal_equality(). This can be used to implement conditions such
* as $u(0,y)=u(1,y+1)$.
*
* @note This version of make_periodicity_constraints will not work on
*
* The bitset that is returned inside of PeriodicFacePair encodes the
* _relative_ orientation of the first face with respect to the second
- * face, see the documentation of orthogonal_equality for further details.
+ * face, see the documentation of orthogonal_equality() for further details.
*
* The @p direction refers to the space direction in which periodicity
* is enforced.
/**
- * This compatibility version of collect_periodic_face_pairs only works
+ * This compatibility version of collect_periodic_face_pairs() only works
* on grids with cells in @ref GlossFaceOrientation "standard orientation".
*
* Instead of defining a 'first' and 'second' boundary with the help of
* @tparam Container A type that satisfies the
* requirements of a mesh container (see @ref GlossMeshAsAContainer).
*
- * @note This version of collect_periodic_face_pairs will not work on
+ * @note This version of collect_periodic_face_pairs() will not work on
* meshes with cells not in @ref GlossFaceOrientation
* "standard orientation".
*