program/lib/Roundcube/rcube_vcard.php
@@ -714,9 +714,15 @@ $value[] = $attrvalues; } else if (is_bool($attrvalues)) { // true means just tag, not tag=value, as in PHOTO;BASE64:... // true means just a tag, not tag=value, as in PHOTO;BASE64:... if ($attrvalues) { $attr .= strtoupper(";$attrname"); // vCard v3 uses ENCODING=B (#1489183) if ($attrname == 'base64') { $attr .= ";ENCODING=B"; } else { $attr .= strtoupper(";$attrname"); } } } else {