Unicode recognizes a series of three period characters (U+002E) as compatibility equivalent (though not canonical) to the horizontal ellipsis character.
Uniqueness approach may differ both on the case sensitivity and on the Unicode normalization form such as NFC, NFD.
Unicode | Unicode equivalence | Unicode block | Turing equivalence | Equivalence relation | Medieval Unicode Font Initiative | Mass–energy equivalence | mass–energy equivalence | Formal equivalence checking | Egyptian Hieroglyphs (Unicode block) | ConScript Unicode Registry | Basic Latin (Unicode block) |