said by therube:See if clearing your Yahoo cookies makes a difference?
No difference.
said by therube:Is the login data stored in Password Manager?
If not, then you can rule out PM (Pale Moon, err, no, Password Manager).
Not stored in password manager.
said by therube:So possible it is the "form fill" feature too (though don't think that should remember any password). If it's that, you can clear the (username) from the dropdown box by keying down to it, then hitting the DEL key.
Sorry I didn't mean to imply that it stored passwords too, only logon names. And yes, highlighting from drop down and hitting del worked! Thank you.
Now the question is how to get it back to not even saving the logon name in the first place but still do so for gmail. Where do I configure the "form fill" feature?