PO
%LANGUAGES{...}%
format
" * $langname"
separator
"\n"
marker="selected"
$marker
selection
"selected"
selection="%LANGUAGE%"
(none)
$langname
$langtag
en
pt-br
<select>%LANGUAGES{format="<option $marker value='$langtag'>$langname</option>" selection="%LANGUAGE%"}%</select>