When CommentString has more then one char, for example "##", commentary string "## Commentary" will be correctly determined as commentary string, but substring "# Commentary" wil be extracted as commentary. After saving commentary text in output file will be "### Commentary".
When CommentString has more then one char, for example "##", commentary string "## Commentary" will be correctly determined as commentary string, but substring "# Commentary" wil be extracted as commentary. After saving commentary text in output file will be "### Commentary".