How use I emoji -Icons?

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How use I #emoji -Icons? I activated here https://hub.freecommunication.org/settings/features the "Emoji Reactions" -option, but I see not any emoji-Icons ;-|. #EmojiReactions @Hubzilla Support Forum+
Haakon Meland Eriksen (Parlementum)
  
Emojis or at least smilies are available by typing a colon : followed by a letter.
Haakon Meland Eriksen (Parlementum)
  
:headphones:
Steffen K9 🐙
  
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