ref: 64a8d7f023a5ade2b5f3c5dca78a44a653f15f33
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};