This page ensures that WebKit can render unicode variation selector correctly. On platforms which support UVSes, the glyphs of U+845B should be different. On platforms which don't support UVSes, they should be identical. In addition, any glyphs (including the last resort glyph) should not appear after the U+845B on all platforms.

Glyph for code point U+845B without UVS:
Glyph for code point U+845B with UVS: 葛󠄀