Maybe an odd request, but I’m interested in creating an “opt in” poll that just has one option, but the poll is throwing an error. Is there any way, even a workaround, that can work?
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Put in a fake second option, delete it once it is in the composer and see what happens?
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good idea but I tried that. Just tried again right here but it complains when I save the post.
make both options “yes”. 
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I was thinking that instead of using a poll as a checkbox maybe the checklist plugin could do what you need
But AFAICT, it won’t.
Maybe make a “no” option and then use CSS to display: none it?
Then there will likely be a “100%” showing, so it feels like this is getting into new plugin territory to me.
How about “Like this post if you’re going to be there 
!”
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But you can’t un-like to say you won’t, which I think is probably also a problem with a poll.
Another solution is a wiki, maybe.
@tobiaseigen if you want two options, instead of one, then a poll already works.
Thanks, all! Really appreciate all the suggestions.
In the end, I decided to just bag the poll in this case. Interestingly, I got a handful of likes already to the topic without even asking for it, so people seem enthusiastic and are showing it. 
I do think that down the road it might be of value to allow one option to choose from, but it’s not a high priority for me. Perhaps someone else wants to make it possible at some stage. The 100% showing issue seems to be the only potential snag, beyond the UX tweaks that would be needed.
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should only one poll option be possible @sam @eviltrout? I guess that could be OK?
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Yeah I agree for this specific use case it makes sense.
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Ok @eviltrout I assume this restriction is fairly trivial to relax, so you can assign it?
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The original problem is solvable like any other RSVP where you want to know numbers. It’s usually worth knowing who else would have liked to be there.
- Yes, I’m in! See you on Friday!
- No, sadly, I can’t make it!
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Edit: I get it Now. Showing the tally would be useful.
Edit again: I guess the single poll option makes it easier to automate because there is only one result.
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It is simple to allow only 1 option for polls. We do need to add a clear vote button however.
Generally this is not an issue with other polls, because the options cover the spectrum of answers. With only one option, you cannot un-vote currently.
Is a clear my vote button something we should show on every poll?
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No, just ignore that for now, if you set up a single option poll, undo of vote is not possible. That’s just how it is.
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I just merged a PR that allows for single-option polls 
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- Looking good
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