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I was trying to comment on this question. I did not downvote the question, but the comment was rejected on the grounds that I should not comment on my downvote. I was using -1 in the context of the question which was about the difference between -1.0d and -1.0 in java.

Is it possible to improve this filter to not block such comments if the user has not downvoted the question, and/or not block -1.0?

Screenshot demonstrating the issue: enter image description here

Copy pasteable comment text:

"-1.0f" is a float, while "-1.0d" is a double. 
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    Hmm, I think the -1 actually works for a single vote deletion? Was there an error or did it vanish? If there was an error, got a screenshot? – Journeyman Geek Apr 23 at 13:16
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    Try adding some other word in front of -1 – Laurel Apr 23 at 13:23
  • @JourneymanGeek screenshot added – user130558 Apr 23 at 13:25
  • @JoelReyesNoche it's probably site-specific. – Glorfindel Apr 23 at 13:29
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    this limitation is only at Stack Overflow and over there, it can be worked around by making comment length longer than 120 chars – gnat Apr 23 at 13:31
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    @gnat over on SE HQ: They worked out the 120 chars threshold. What do we do now? "Make it 130" ... – rene Apr 23 at 14:57
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Blacklists are stupid and should only warn about potentially unacceptable content instead of completely disallowing it. No word blacklist has ever stopped anyone from posting naughty words.

That being said...

Good advice

Make your comment longer than 120 characters.

Bad advice

Replace characters in your comment with random Unicode characters that look similar.

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