diff -r ef44f62cb8b9 -r 22c441f5adf9 src/saveload.h
--- a/src/saveload.h	Mon May 05 12:35:38 2008 +0000
+++ b/src/saveload.h	Wed May 07 21:09:51 2008 +0000
@@ -1,6 +1,6 @@
 /* $Id$ */
 
-/** @file saveload.h */
+/** @file saveload.h Functions/types related to saving and loading games. */
 
 #ifndef SAVELOAD_H
 #define SAVELOAD_H
@@ -28,6 +28,13 @@
 	SL_BMP      =  4,
 };
 
+enum SavegameType {
+	SGT_TTD,    ///< TTD  savegame (can be detected incorrectly)
+	SGT_TTDP1,  ///< TTDP savegame ( -//- ) (data at NW border)
+	SGT_TTDP2,  ///< TTDP savegame in new format (data at SE border)
+	SGT_OTTD    ///< OTTD savegame
+};
+
 void SetSaveLoadError(uint16 str);
 const char *GetSaveLoadErrorString();
 SaveOrLoadResult SaveOrLoad(const char *filename, int mode, Subdirectory sb);