diff --git a/src/games/file.cc b/src/games/file.cc
index 65885637a..149c00344 100644
--- a/src/games/file.cc
+++ b/src/games/file.cc
@@ -25,6 +25,7 @@
 #include <iostream>
 #include <fstream>
 #include <map>
+#include <algorithm>
 
 #include "gambit.h"
 // for explicit access to turning off canonicalization
@@ -482,14 +483,6 @@ void ReadPlayers(GameFileLexer &p_state, Game &p_game, TreeData &p_treeData)
   p_state.ExpectCurrentToken(TOKEN_RBRACE, "'}'");
 }
 
-//
-// Precondition: Parser state should be expecting the integer index
-//               of the outcome in a node entry
-//
-// Postcondition: Parser state is past the outcome entry and should be
-//                pointing to the 'c', 'p', or 't' token starting the
-//                next node declaration.
-//
 void ParseOutcome(GameFileLexer &p_state, Game &p_game, TreeData &p_treeData, GameNode &p_node)
 {
   p_state.ExpectCurrentToken(TOKEN_NUMBER, "index of outcome");
@@ -502,7 +495,7 @@ void ParseOutcome(GameFileLexer &p_state, Game &p_game, TreeData &p_treeData, Ga
     try {
       outcome = p_treeData.m_outcomeMap.at(outcomeId);
     }
-    catch (std::out_of_range) {
+    catch (std::out_of_range &) {
       outcome = p_game->NewOutcome();
       p_treeData.m_outcomeMap[outcomeId] = outcome;
     }
@@ -533,12 +526,6 @@ void ParseOutcome(GameFileLexer &p_state, Game &p_game, TreeData &p_treeData, Ga
 
 void ParseNode(GameFileLexer &p_state, Game p_game, GameNode p_node, TreeData &p_treeData);
 
-//
-// Precondition: parser state is expecting the node label
-//
-// Postcondition: parser state is pointing at the 'c', 'p', or 't'
-//                beginning the next node entry
-//
 void ParseChanceNode(GameFileLexer &p_state, Game &p_game, GameNode &p_node, TreeData &p_treeData)
 {
   p_state.ExpectNextToken(TOKEN_TEXT, "node label");