First question is why are you downloading libraries into the core library directory? That is NOT where user downloaded libraries go.Second question is why didn't you bother looking for an answer, first. There is an active thread in this forum discussing the INPUT_PULLUP keyword for the 1284.
Why did you lock the topic?You are better off using the libraries sub-folder, and copying the entire sketch folder (including your project and your libraries). Your method is going to make you lose your libraries when you update the IDE.
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