When replying to:
I have it set to quote whole text, then I edit from there.
But every now and then, the quoted source ends up in a box with an X (as in delete) in the upper left corner.
When I try to insert text for a response, the text will end up at the bottom of the quoted text instead of inserted .
There's gotta be something I don't know about or am doing wrong.

I hope I'm explaining this clearly.