+ * Revision 1.15 1999-08-27 09:40:32 adam
+ * Renamed logf function to yaz_log. Removed VC++ project files.
+ *
+ * Revision 1.14 1998/10/28 10:26:59 adam
+ * New functions log_init_file, log_init_level, log_init_prefix.
+ *
+ * Revision 1.13 1998/10/13 16:11:11 adam
+ * Added printf-format check for logf when using GNUC.
+ *
+ * Revision 1.12 1997/09/04 07:59:02 adam