From: Timo Heister <timo.heister@gmail.com>
Date: Mon, 20 Jul 2020 15:23:24 +0000 (+0000)
Subject: update comment
X-Git-Tag: v9.3.0-rc1~1261^2
X-Git-Url: https://gitweb.dealii.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=1d1a93752c32d9200e07d9fc21c750f56c76ad73;p=dealii.git

update comment
---

diff --git a/source/grid/tria.cc b/source/grid/tria.cc
index 620708e1cf..c4e207e428 100644
--- a/source/grid/tria.cc
+++ b/source/grid/tria.cc
@@ -13319,13 +13319,15 @@ Triangulation<dim, spacedim>::prepare_coarsening_and_refinement()
                     // cycle
                     unsigned int unrefined_neighbors = 0, total_neighbors = 0;
 
-                    // Keep track if this cell is at a periodic boundary or not.
-                    // We do not currently run the algorithm for inner islands
-                    // on these (remains to be implemented), but we also don't
-                    // want to consider them boundary_island cells as this can
-                    // interfere with 2:1 refinement across periodic faces.
-                    // Instead: just ignore those cells for this smoothing
-                    // operation below.
+                    // Keep track if this cell is at a periodic
+                    // boundary or not.  TODO: We do not currently run
+                    // the algorithm for inner islands at a periodic
+                    // boundary (remains to be implemented), but we
+                    // also don't want to consider them
+                    // boundary_island cells as this can interfere
+                    // with 2:1 refinement across periodic faces.
+                    // Instead: just ignore those cells for this
+                    // smoothing operation below.
                     bool at_periodic_boundary = false;
 
                     for (const unsigned int n :