In your WordPress Theme, open each template file and search for any manually entered references to your old domain name and replace it with the new one. Look for specific hand coded links you may have entered on the various template files such as the sidebar.php and footer.php.
WordPress uses a template tag called bloginfo() to automatically generate your site address from information entered in yourAdministration > Settings > General panel. The tag in your template files will not have to be modified.
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