I pressed a key that shows formatting in the IDE; I'd like to change it back to what it was before. How do I do that?

I pressed a key that shows formatting in the IDE; I'd like to change it back to what it was before. How do I do that?

it's probably "Edit->Advanced->View White space" which is toggled with CTRL+R CTRL+W
Hahahahha :) - happened to me a while ago :D, very irritating!!
Ctrl+Shift+8