def last_non_blank_of_current_line_position(self):
        return len(self.current_line.rstrip()) - self.cursor_position_col - 1
Relative position for the last non blank character of this line.
dataset/ETHPy150Open jonathanslenders/python-prompt-toolkit/prompt_toolkit/document.py/Document.last_non_blank_of_current_line_position