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Latest commit e8d8be8 Jul 27, 2016 @Deimos Deimos Link.affects_karma_type: remove is_promoted_post
This check is related to the code for the upcoming "User Promoted Posts"
(see, which hasn't been open-sourced yet. So
this attr doesn't exist yet, and isn't working. This should be removed
for now but can be added back in when the rest of the code is



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