Converts an #hb_variation_t into a %NULL-terminated string in the format understood by hb_variation_from_string(). The client in responsible for allocating big enough size for @buf, 128 bytes is more than enough.
output string
1.4.2
See Implementation
Converts an #hb_variation_t into a %NULL-terminated string in the format understood by hb_variation_from_string(). The client in responsible for allocating big enough size for @buf, 128 bytes is more than enough.