Is this a known issue? If you type in 
somewhere it will be replaced by 
Don’t get me started on how this messes up linux commands and scripts, Is this a me problem or a lemmy problem? I need to study, if this is a known problem, then fine, but if it isn’t then it needs to be reported.
& is how & is represented in HTML.
https://www.hammockforums.net/forum/showthread.php/105012-What-does-amp-amp-mean-see-it-a-lot-and-its-not-in-the-acronym-page
If you need a literal &, then preceed it with an escape character like “\”.