1 files changed, 7 insertions, 1 deletions
diff --git a/src/pool.h b/src/pool.h
index 915def16..ac66d7a6 100644
--- a/src/pool.h
+++ b/src/pool.h
@@ -86,7 +86,7 @@ public:
 
   virtual ~commodity_pool_t() {
     TRACE_DTOR(commodity_pool_t);
-    foreach (commodities_map::value_type pair, commodities)
+    foreach (commodities_map::value_type& pair, commodities)
       checked_delete(pair.second);
   }
 
@@ -131,6 +131,12 @@ public:
 			 const bool                  add_prices = true,
 			 const optional<datetime_t>& moment     = none);
 
+  // Output the commodity price map for a given date as a DOT file
+
+  void print_pricemap(std::ostream&		  out,
+		      const keep_details_t&       keep,
+		      const optional<datetime_t>& moment = none);
+
 #if defined(HAVE_BOOST_SERIALIZATION)
 private:
   /** Serialization. */