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(Bug Report) Post can be much larger when viewed on PieFed compared to Lemmy (sh.itjust.works)

submitted 3 weeks ago* (last edited 3 weeks ago) by anti_vibecoder@sh.itjust.works to c/piefed_help@piefed.social

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example reproduction __CODE_PLACEHOLDER_1____CODE_PLACEHOLDER_1____CODE_PLACEHOLDER_1____CODE_PLACEHOLDER_1____CODE_PLACEHOLDER_1____CODE_PLACEHOLDER_1__ __CODE_PLACEHOLDER_2____CODE_PLACEHOLDER_2____CODE_PLACEHOLDER_2____CODE_PLACEHOLDER_2____CODE_PLACEHOLDER_2____CODE_PLACEHOLDER_2__ __CODE_PLACEHOLDER_3____CODE_PLACEHOLDER_3____CODE_PLACEHOLDER_3____CODE_PLACEHOLDER_3____CODE_PLACEHOLDER_3____CODE_PLACEHOLDER_3__ __CODE_PLACEHOLDER_4____CODE_PLACEHOLDER_4____CODE_PLACEHOLDER_4____CODE_PLACEHOLDER_4____CODE_PLACEHOLDER_4____CODE_PLACEHOLDER_4__ __CODE_PLACEHOLDER_5____CODE_PLACEHOLDER_5____CODE_PLACEHOLDER_5____CODE_PLACEHOLDER_5____CODE_PLACEHOLDER_5____CODE_PLACEHOLDER_5__ __CODE_PLACEHOLDER_6____CODE_PLACEHOLDER_6____CODE_PLACEHOLDER_6____CODE_PLACEHOLDER_6____CODE_PLACEHOLDER_6____CODE_PLACEHOLDER_6__ __CODE_PLACEHOLDER_7____CODE_PLACEHOLDER_7____CODE_PLACEHOLDER_7____CODE_PLACEHOLDER_7____CODE_PLACEHOLDER_7____CODE_PLACEHOLDER_7__ test

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[–] wjs018@piefed.wjs018.xyz 2 points 3 weeks ago

Ah, I see what is going on. This basically requires maliciously formatted markdown that takes advantage of some placeholder text we use to protect codeblocks from getting incorrectly formatted by the markdown_to_html function. You basically stuff the markdown full of those placeholder strings so that they are incorrectly being substituted.

I will give this one some thought. I think it might make sense to have something like a short, random string tacked onto the end of the placeholder text (like I did for the footnote links to prevent id collisions).