From f19bc37f0048550311d9e1aec79bf27e0ce9f21c Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?B=C3=A5rd=20Skaflestad?= <Bard.Skaflestad@sintef.no>
Date: Mon, 20 Jan 2014 10:33:42 +0100
Subject: [PATCH] Document requirements of CellRange.

---
 opm/core/simulator/initStateEquil.hpp | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/opm/core/simulator/initStateEquil.hpp b/opm/core/simulator/initStateEquil.hpp
index 43f77aac..4d7a6f0f 100644
--- a/opm/core/simulator/initStateEquil.hpp
+++ b/opm/core/simulator/initStateEquil.hpp
@@ -555,7 +555,10 @@ namespace Opm
          *
          * \tparam CellRange Type of cell range that demarcates the
          *                cells pertaining to the current
-         *                equilibration region.
+         *                equilibration region.  Must implement
+         *                methods begin() and end() to bound the range
+         *                as well as provide an inner type,
+         *                const_iterator, to traverse the range.
          *
          * \param[in] G     Grid.
          * \param[in] reg   Current equilibration region.