Extends a text range being analyzed by moving its start by one position.
true if the text range has been changed; otherwise, false.
You can combine several incrementing and decrementing methods to resize and move the text frame in the document.
If a document start is reached, the position can not be decremented and remains the same. The method returns false. You can also use the AutoCorrectInfo.CanDecrementStart method to check for this situation.