ref: 2f2e3b1f7234a1fcfc19b4a323c709642b93b8af
dir: /sys/src/cmd/python/Demo/tix/bitmaps/bold.xbm/
#define bold_width 16
#define bold_height 16
static unsigned char bold_bits[] = {
0x00, 0x00, 0x00, 0x00, 0xfc, 0x07, 0xfc, 0x0f, 0x18, 0x1c, 0x18, 0x18,
0x18, 0x18, 0x18, 0x1c, 0xf8, 0x0f, 0xf8, 0x0f, 0x18, 0x18, 0x18, 0x30,
0x18, 0x30, 0x18, 0x38, 0xfc, 0x3f, 0xfc, 0x1f};