add TODO comments

stepmania/src/Difficulty.cpp

@@ -22,6 +22,9 @@ LuaFunction( DifficultyToLocalizedString, DifficultyToLocalizedString( Enum::Che
 
 /* We prefer the above names; recognize a number of others, too.  (They'l
  * get normalized when written to SMs, etc.) */
+/* TODO: Format specific hacks should be moved into the file loader for 
+ * that format.  We don't want to carry these hacks forward to file
+ * formats that don't need them. */
 Difficulty StringToDifficulty( const RString& sDC )
 {
 	RString s2 = sDC;

stepmania/src/GameManager.cpp

@@ -2402,6 +2402,8 @@ StepsType GameManager::StringToStepsType( RString sStepsType )
 {
 	sStepsType.MakeLower();
 
+	// TODO: Format specific hacks should be moved into the file loader for that format.
+
 	// HACK!  We elminitated "ez2-single-hard", but we should still handle it.
 	if( sStepsType == "ez2-single-hard" )
 		sStepsType = "ez2-single";