3 ms·
Actually, you changed the file type from 'TEXT' to 'ttro' to make a Read Me document read-only. 'ttxt' was the application signature of TeachText and SimpleText
by auroch 3y ago
Actually, you changed the file type from 'TEXT' to 'ttro' to make a Read Me document read-only. 'ttxt' was the application signature of TeachText and SimpleText and is now the signature of TextEdit.