## set_unchecked_symbol(character_code, font_name) {#int_str} Sets the symbol used to represent the unchecked state of a check box content control. ```python def set_unchecked_symbol(self, characte......```python doc = aw.Document() builder = aw.DocumentBuilder(doc=doc)...markup.StructuredDocumentTa(doc, aw.markup.SdtType.CHECKBOX,...