Wiktionary:About Transylvanian Saxon
Transylvanian Saxon is the Moselle Franconian lect spoken by the Transylvanian Saxons. It has its own header and code (gmw-tsx) on Wiktionary on account of its separate development. Despite its name, it is not a form of Saxon (the ISO's sxu, a variety of "East Central German" gmw-ecg on Wiktionary), but rather a relative of Luxembourgish (lb).
As in German, nouns are capitalized (Piërsch, not *piërsch).