Permanently redirect WordPress pages

After my trip to Mephisto some time back, I noticed that some pages were accessible from different URLs. After moving back to WordPress, these permalinks no longer work. I’m running WordPress with Apache2, so it shouldn’t be too hard redirect those old permalinks to their new locations. (That’s what rewriting is all about anyway). Here is the default .htaccess file generated by WordPress: # BEGIN WordPress RewriteEngine On RewriteBase / RewriteCond %{REQUEST_FILENAME} !