CTRL+BACKSPACE or its equivalent behavior when deleting block elements

Hello All,

There is a special behavior that is currently not interoperable between browsers for a specific use case below:

I think we should only delete one block element at a time when CTRL+BACKSPACE is pressed.

Chrome, FF and Edge all behave differently (sorry, I don't have Mac to test how Safari behaves).

Repro steps:

jsfiddle<https://jsfiddle.net/svn9Lztd/>



Place the caret in front of "def" and press CTRL+BACKSPACE


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