If true, the caret is attempting to escape the block by moving vertically.
If true, the caret is attempting to leave the end edge (bottom).
If true, the caret is attempting to escape the line by moving horizontally.
If true, the caret is attempting to leave the start edge (top).
This API is still under development and is subject to change. Copyright © Math I Can Do Solutions Incorporated and/or its licensors.
Describes where and in what direction the user is trying to move the caret out of a document.