Bonjour, This can happen if the font that is requested is corrupted or otherwise can't be accessed. See these threads about similar font issues. *[/questions/1292109] Fonts replaced with question marks in boxes *[/questions/1268528] when I type the number 9, the underscore symbol appears (long dash) *[/questions/1278708] Text of website https://apod.nasa.gov/apod/ is missing the charakters x, y, z but only in lower case where x is not simply missing but replaced by "