Spoiler Alert

Is there a page that lists all the special codes for things like "bold", "spoiler", etc?

https://wiki.librarything.com/index.php/HelpThing:Html_tips
https://www.librarything.com/topic/177029#

TY TY TY I had it at one time, but when I tried to sync 2 Google accounts (with browsers), I lost most things on my personal account.