program/lib/Roundcube/rcube_mime.php
@@ -155,7 +155,7 @@ */ public static function decode_mime_string($input, $fallback = null) { $default_charset = !empty($fallback) ? $fallback : self::get_charset(); $default_charset = $fallback ?: self::get_charset(); // rfc: all line breaks or other characters not found // in the Base64 Alphabet must be ignored by decoding software