How can we reproduce this bug?
Write out the HTML (or Inky code) that causes the issue.
What did you expect to happen?
should be preserved as a valid html character code
What happened instead?
Upon clicking "Copy to Clipboard", the is converted to  
You can't see it in the browser window in the output frame from the tool, but if you paste the text from the clipboard into a text editor, the error appears.
 
What email clients does this happen in?
Not specific to any email client. This issue exists in the online version of the inliner.
I have noticed the same. Seems like a bug.
...weird that nobody else followed up on this though.
I am currently removing those by hand. But doing that several times, is a bit annoying. Oh well.
Agreed. Just find and replace for now I guess. Should be an easy enough bug to fix. Hopefully soon!
Duplicate of https://github.com/zurb/foundation-emails/issues/841, can be closed.
Most helpful comment
I have noticed the same. Seems like a bug.
...weird that nobody else followed up on this though.
I am currently removing those by hand. But doing that several times, is a bit annoying. Oh well.