Certain special characters not displaying properly

I’m forwarding an email newsletter to Newslbur.

https://www.newsblur.com/newsletters/story/9166731:d312e8

Characters like “ or ‘ are being shown like this ’

I’ve been seeing this as well. Here is the other topic: Curly quotes in Money Stuff sometimes get munged - #7 by bslesinsky

it’s the text encoding. change from western to unicode.

Is that a Newsblur setting? I can’t find it