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Sanitize_title shouldn't strip existing hypens.
git-svn-id: http://svn.automattic.com/wordpress/trunk@505 1a063a9b-81f0-0310-95a4-ce76da25c4cd
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@ -89,7 +89,7 @@ function wpautop($pee, $br=1) {
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function sanitize_title($title) {
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$title = strtolower($title);
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$title = preg_replace('/&.+;/', '', $title); // kill entities
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$title = preg_replace('/[^a-z0-9 ]/', '', $title);
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$title = preg_replace('/[^a-z0-9 -]/', '', $title);
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$title = preg_replace('/\s+/', ' ', $title);
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$title = trim($title);
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$title = str_replace(' ', '-', $title);
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