Constify

[features.git] / src / Counters.h

diff --git a/src/Counters.h b/src/Counters.h
index 4708f5a331f8759f8f34cc41ba114247b4658033..e6554a284f37ae150e6fc709eab8c68a6567e98a 100644 (file)
--- a/src/Counters.h
+++ b/src/Counters.h
@@ -163,7 +163,7 @@ public:
        /// Copy counters whose name matches match from the &from to
        /// the &to array of counters. Empty string matches all.
        void copy(Counters const & from, Counters & to,
-                 docstring const & match = docstring());
+                 docstring const & match = docstring()) const;
        /** returns the expanded string representation of counter \c
         *  c. The \c lang code is used to translate the string.
         */