+The Border/NoBorder was introduced in Glk 0.7.1.
+Prior to that, all games used the Border hint, and this remains the default.
+However, as noted, not all implementations display window borders.
+Therefore, for existing implementations, <quote>Border</quote> may be understood as <quote>your normal style of window display</quote>; <quote>NoBorder</quote> may be understood as <quote>suppress any interwindow borders you may have</quote>.