View details and encodings for Unicode character U+25A8 Square With Upper Right To Lower Left Fill, located in the Geometric Shapes block and Other Symbol category. This character was released in 1993 under Unicode version 1.1.
▨▨U+25A8;9640\0025A8\u25A8\x{25A8}\u{25A8}u'\u25A8'E296A825A8000025A8