Add some comments on the language code normalization
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base.php
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base.php
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@ -207,6 +207,7 @@ function getAcceptLanguages() {
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if (count($lang_parse[1])) {
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$langs = array();
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foreach ($lang_parse[1] as $lang) {
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// Format the language code (not standard among browsers)
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if (strlen($lang) == 5) {
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$lang = str_replace("-", "_", $lang);
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$splitted = preg_split("/_/", $lang);
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