Is the character sequence of :O) supposed to insert a red circle when used in the subject line?
:O)
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It seems that :O: is an alias for 
, which would cause that… which means there’s still a problem with alias autocomplete.
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Yeah, something is messed up there, its not looking correctly for the closing :
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Most cases should be fixed in:
https://github.com/discourse/discourse/pull/3699
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