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.
Text encoding is SUPER basic and anyone looking to get involved in Linux or scripting absolutely should know that stuff FIRST.
Source: I was teaching Linux 23 years ago before it was cool.
Here's a good primer:
ASCII:
https://www.techtarget.com/whatis/definition/ASCII-American-Standard-Code-for-Information-Interchange
URL encoding:
https://www.w3schools.com/tags/ref_urlencode.ASP
Entity encoding:
https://www.w3schools.com/html/html_entities.asp
Really, ALL of the W3Schools stuff is just fantastic. Anyone remotely interested in this stuff should start at the beginning there and work up.