1 files changed, 10 insertions, 1 deletions
diff --git a/sql/sql_lex.h b/sql/sql_lex.h
index 24731b600e9..ed6b9e7d8df 100644
--- a/sql/sql_lex.h
+++ b/sql/sql_lex.h
@@ -1,4 +1,4 @@
-/* Copyright (C) 2000-2006 MySQL AB
+/* Copyright 2000-2008 MySQL AB, 2008 Sun Microsystems, Inc.
 
    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
@@ -190,6 +190,15 @@ typedef struct st_lex_server_options
   char *server_name, *host, *db, *username, *password, *scheme, *socket, *owner;
 } LEX_SERVER_OPTIONS;
 
+
+/**
+  Structure to hold parameters for CHANGE MASTER or START/STOP SLAVE
+  or SHOW NEW MASTER.
+
+  Remark: this should not be confused with Master_info (and perhaps
+  would better be renamed to st_lex_replication_info).  Some fields,
+  e.g., delay, are saved in Relay_log_info, not in Master_info.
+*/
 typedef struct st_lex_master_info
 {
   char *host, *user, *password, *log_file_name;