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The bot can ignore quoted parts of the post.

Markdown uses email-style > characters for blockquoting. If you’re familiar with quoting passages of text in an email message, then you know how to create a blockquote in Markdown. It looks best if you hard wrap the text and put a > before every line:

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There is nothing to stop you from summarizing the highlights of the article and then linking to it. That way, you are posting original material without copying. The exception would be if you wanted to pick up on someone quoted in the article and write some commentary. You'd need the original quote to make sense of the commentary