nonprint

Undocumented in source.

auto nonprint = [[0x0000, 0x001F], [0x007F, 0x009F], [0x00AD, 0x00AD], [0x070F, 0x070F], [0x180B, 0x180E], [0x200B, 0x200F], [0x2028, 0x2029], [0x202A, 0x202E], [0x206A, 0x206F], [0xD800, 0xDFFF], [0xFEFF, 0xFEFF], [0xFFF9, 0xFFFB], [0xFFFE, 0xFFFF]];