Split a long line.

diff --git a/source/grid/tria.cc b/source/grid/tria.cc
index 8191fccce272d07256bb3f4b85ad19faae52d49c..f4603be4c70f7ac5d7588a56da135a2aea2c022f 100644 (file)
--- a/source/grid/tria.cc
+++ b/source/grid/tria.cc
@@ -5023,10 +5023,12 @@ namespace internal
                 // and set it appropriately
                 while (triangulation.vertices_used[next_unused_vertex] == true)
                   ++next_unused_vertex;
-                Assert(
-                  next_unused_vertex < triangulation.vertices.size(),
-                  ExcMessage(
-                    "Internal error: During refinement, the triangulation wants to access an element of the 'vertices' array but it turns out that the array is not large enough."));
+                Assert(next_unused_vertex < triangulation.vertices.size(),
+                       ExcMessage(
+                         "Internal error: During refinement, the triangulation "
+                         "wants to access an element of the 'vertices' array "
+                         "but it turns out that the array is not large "
+                         "enough."));
                 triangulation.vertices_used[next_unused_vertex] = true;
 
                 triangulation.vertices[next_unused_vertex] = line->center(true);