On with MySQL 5.1

Eager to experiment ... I installed MySQL 5.1.5 on my laptop, in place of an existing MySQL 5.0.x installation from which I borrowed the my.ini file, the outcome has been bug 16781 at MySQL AB, the new one doesn't seem to like this row in the ini file:

# The default storage engine that will be used when create new tables
default-storage-engine=InnoDB