Over the years, I've seen and heard the phrase "Don't hack core!" mentioned by countless Drupal developers, designers, site administrators, etc. There are many blog posts on the matter (the most recent being a few weeks ago though his stance is slightly different from what I see from the rest of the community) and the number of kittens that die whenever someone hacks core. There was even a wristband created a few Drupal Conferences back. Heck, I may have had it and worn it at some point. Read on to find out.
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