Resolve user specified path to the local included file.

        :param user_specified_path: User specified string that represents
            the path to a local file

        :param current_processed_file_path: Path to the currently processed Markdown file
            that contains include statements

        :returns: Local path of the included file relative to the currently processed Markdown file

def _get_included_file_path(self, user_specified_path: str, current_processed_file_path: Path) -> Path:
        '''Resolve user specified path to the local included file.

        :param user_specified_path: User specified string that represents
            the path to a local file

        :param current_processed_file_path: Path to the currently processed Markdown file
            that contains include statements

        :returns: Local path of the included file relative to the currently processed Markdown file
        '''

        self.logger.debug(f'Currently processed Markdown file: {current_processed_file_path}')

        included_file_path = (current_processed_file_path.parent / user_specified_path).resolve()

        self.logger.debug(f'User-specified included file path: {included_file_path}')

        if (
            self.working_dir.resolve() in current_processed_file_path.parents
            and
            self.working_dir.resolve() not in included_file_path.parents
        ):
            self.logger.debug(
                'Currently processed file is located inside the working dir, ' +
                'but included file is located outside the working dir. ' +
                'So currently processed file path should be rewritten with the path of corresponding file ' +
                'that is located inside the source dir'
            )

            included_file_path = (
                self._get_src_file_path(current_processed_file_path).parent / user_specified_path
            ).resolve()

        else:
            self.logger.debug(
                'Using these paths without changes'
            )

        self.logger.debug(f'Finally, included file path: {included_file_path}')

        return included_file_path