Arial Unicode (20 pt) renders with dots

[jackson-57]

Left: Photoshop with anti-aliasing disabled at 20 pt
Right: .\pdft '.\Arial Unicode.ttf' "Rasterized fonts" ArialUnicode20 20, displayed with drawTextInRect (main.lua.txt)

Arial Unicode MS is not a freely licensed font, but is included in macOS and older copies of MS Office.