If you are missing a font glyph for a character, ignore that item, but report which items were ignored.
Test passes if you see no clearly distinct, red letter strokes.
text-transform:uppercase is applied to the right-hand word in the pair. The word used contains both U+03C3 GREEK SMALL LETTER SIGMA and U+03C2 GREEK SMALL LETTER FINAL SIGMA. The red test data is overlaid by black reference results.