merged

BitKeeper/deleted/.del-compile-pentium-valgrind-max:
  Delete: BUILD/compile-pentium-valgrind-max
Build-tools/Do-compile:
  Auto merged
sql/field.h:
  Auto merged
sql/ha_innodb.cc:
  Auto merged
sql/ha_myisammrg.cc:
  Auto merged
sql/item_cmpfunc.cc:
  Auto merged
sql/mysqld.cc:
  Auto merged
sql/stacktrace.c:
  Auto merged

1 files changed, 7 insertions, 0 deletions

diff --git a/Docs/manual.texi b/Docs/manual.texi
index 1e1c080d6b3..f3c790c8fb2 100644
--- a/Docs/manual.texi
+++ b/Docs/manual.texi
@@ -51770,6 +51770,8 @@ not yet 100% confident in this code.
 Allow one to start multiple MySQL servers on windows (code backported
 from 4.0.2).
 @item
+Fixed that @code{--core-file} works on Linux (at least on kernel 2.4.18).
+@item
 Fixed a problem with BDB and @code{ALTER TABLE}.
 @item
 Fixed reference to freed memory when doing complicated @code{GROUP BY
@@ -51855,6 +51857,11 @@ Changed initialisation of @code{RND()} to make it less predicatable.
 Fixed problem with @code{GROUP BY} on result with expression that created a
 @code{BLOB} field.
 @item
+Fixed problem with @code{GROUP BY} on columns that have NULL values.  To
+solve this we now create an MyISAM temporary table when doing a group by
+on a possible NULL item.  In MySQL 4.0.5 we can again use in memory HEAP
+tables for this case.
+@item
 Fixed problem with privilege tables when downgrading from 4.0.2 to 3.23.
 @item
 Fixed thread bug in @code{SLAVE START}, @code{SLAVE STOP} and automatic repair