Merge work:/home/bk/mysql-4.0 into mashka.mysql.fi:/home/my/mysql-4.0

Docs/manual.texi:
  Auto merged
sql/sql_base.cc:
  Auto merged

Docs/manual.texi

@@ -50157,7 +50157,8 @@ Renamed some sql variables, but old names will still work until 5.0.
 @item
 Removed not used variable @code{query_buffer_size}.
 @item
-Fixed a bug that made the pager option in the mysql client non-functional.
+Fixed a bug that made the pager option in the @code{mysql} client
+non-functional.
 @item
 Added full @code{AUTO_INCREMENT} support to @code{MERGE} tables.
 @item
@@ -50181,7 +50182,7 @@ as a synonym for bitwise @code{XOR}.
 Added function @code{IS_FREE_LOCK("lock_name")}.
 Based on code contributed by Hartmut Holzgraefe @email{hartmut@@six.de}.
 @item
-Removed @code{mysql_ssl_clear()}, as it was not needed.
+Removed @code{mysql_ssl_clear()} from C API, as it was not needed.
 @item
 @code{DECIMAL} and @code{NUMERIC} types can now read exponential numbers.
 @item
@@ -50200,7 +50201,7 @@ consistent dump of @code{InnoDB} tables.
 @item
 Fixed bug in @code{innodb_log_group_home_dir} in @code{SHOW VARIABLES}.
 @item
-Fixed a bug in optimiser with merge tables when non-uniques values are 
+Fixed a bug in optimiser with merge tables when non-unique values are 
 used in summing up (causing crashes).
 @item
 Fixed a bug in optimiser when a range specified makes index grouping
@@ -50235,7 +50236,7 @@ Fixed bug in @code{DROP DATABASE} with symlink.
 @item
 Fixed crash in @code{REPAIR ... USE_FRM}.
 @item
-Fixed bug in @code{EXPLAIN} with @code{LIMIT offset != 0}
+Fixed bug in @code{EXPLAIN} with @code{LIMIT offset != 0}.
 @item
 Fixed bug in phrase operator @code{"..."} in boolean full-text search.
 @item

mysql-test/r/insert_set.result

+drop database if exists a;
+create database a;
+use a;
+create table b (c int);
+insert into a.b set a.b.c = '1';
+drop database a;

mysql-test/t/insert_set.test

+#
+# Test of mysqld crash with fully qualified column names
+#
+
+drop database if exists a;
+create database a;
+use a;
+create table b (c int);
+insert into a.b set a.b.c = '1';
+drop database a;

sql/sql_base.cc

@@ -1608,7 +1608,7 @@ find_field_in_tables(THD *thd,Item_field *item,TABLE_LIST *tables)
     for (; tables ; tables=tables->next)
     {
       if (!strcmp(tables->name,table_name) &&
-	  (!db || !strcmp(db,tables->db)))
+	  (!db || !tables->db || !strcmp(db,tables->db)))
       {
 	found_table=1;
 	Field *find=find_field_in_table(thd,tables->table,name,length,