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There are at least 7 variations of the heart symbol ️ differing only in color ️🧡, not including the heart (playing card) which also has multiple variations.

• bhaak 7y ago
  There are 27 variations of the capital letter A in Unicode (see the confusable list https://unicode.org/cldr/utility/confusables.jsp?a=A&r=None https://unicode.org/cldr/utility/confusables.jsp?a=A&r=None). Redundancy has never been a problem with Unicode. After the decision was made to add the symbols of the original encoding to the list of Unicode characters, they had to add all heart variation, otherwise it wouldn't have been able to be backward compatible. Or alternatively add a color modifier? I'm not sure that would have been a better solution.
• ahakki 7y ago
  > apparently HN limits the number of emoji per post, I originally included several. I am surpeised HN allows any emoji an all. Pretty sure they have been totally banned in the past. It seems like the orange heart is now (or has always been) whitelisted. 🧡🧡🧡