Lots of small fixes to multi-precision-math path
Give Note for '123.4e'
Added helper functions type 'val_string_from_real()
Don't give warnings for end space for string2decimal()
Changed storage of values for SP so that we can detect length of argument without strlen()
Changed interface for str2dec() so that we must supple the pointer to the last character in the buffer

into mysql.com:/home/my/mysql-5.0

Simple optimzations done while reviewing code

  small bugfix "ERROR Message: failed"

This fixes also the reverse lookup bug introduced by the previous patch

on some 64-bit platforms (e.g. IRIX, non-debug build).

into rurik.mysql.com:/home/igor/dev/mysql-5.0-0

delete is declared. As we don't use exceptions placement delete is never 
called and the fix only affects numerous warnings when
compiling with MS Visual C++.
For more info see http://www.gotw.ca/gotw/010.htm.

into mysql.com:/home/psergey/mysql-4.1-bug8218

into mysql.com:/home/psergey/mysql-5.0-bug8218

into mysql.com:/home/svoj/devel/mysql/mysql-4.1

into three.local.lan:/home/matthias/Arbeit/mysql-5.0/src

into poseidon.ndb.mysql.com:/home/tomas/mysql-5.0

into three.local.lan:/home/matthias/Arbeit/mysql-5.0/src

into hundin.mysql.fi:/home/marko/k/mysql-5.0

into hundin.mysql.fi:/home/heikki/mysql-5.0

Can't repeat information_schema test failure
Fix for lowercase_table3 only

into poseidon.ndb.mysql.com:/home/tomas/mysql-5.0

into poseidon.ndb.mysql.com:/home/tomas/mysql-4.1

Fix for crash when using a double quote in boolean fulltext query.

  Fix a glitch reported by Guilhem: release the memory allocated for innodb_internal_... if innobase_init() fails; cleanups: in ha_innodb, you should use the InnoDB formatting style for the source code

suggested in review by Heikki.

into three.local.lan:/home/matthias/Arbeit/mysql-5.0/src-WL1420

  Alter handling for UNION syntax
  Tests for UNION and parentheses

into hundin.mysql.fi:/home/heikki/mysql-4.1

  Backport the column prefix memory corruption fix from 5.0

  Fix memory corruption bug reported by Georg Richter: if one created a table whose primary key contained at least 2 column prefixes, that could corrupt the memory heap of prebuilt_t

into mysql.com:/Users/kent/mysql/bk/mysql-5.0-compile

into sanja.is.com.ua:/home/bell/mysql/bk/work-4.0

into deer.(none):/home/hf/work/mysql-4.1.clean

into deer.(none):/home/hf/work/mysql-5.0.clean