When I try to 'gem install mysql' I get the following error:

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Successfully installed mysql-2.7.3-x86-mswin32
1 gem installed
Installing ri documentation for mysql-2.7.3-x86-mswin32...
Installing RDoc documentation for mysql-2.7.3-x86-mswin32...
ERROR:  While generating documentation for mysql-2.7.3-x86-mswin32
... MESSAGE:   Unhandled special: Special: type=17, text="<!-- $Id: 
README.html,
v 1.20 2006-12-20 05:31:52 tommy Exp $ -->"
... RDOC args: --op 
c:/ruby/lib/ruby/gems/1.8/doc/mysql-2.7.3-x86-mswin32/rdoc -
-exclude ext --main README --quiet ext README docs/README.html
(continuing with the rest of the installation)

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require 'mysql' doesn't work ("no such file to load - mysql")

How can I make this work ?

Thanks.