printf("[font %d] pairing %c with ", f->id, f->glyph2ascii[t]);
for(s=0;s<f->use->num_neighbors;s++) {
if(f->use->neighbors[s].char2 == t) {
printf("[font %d] pairing %c with ", f->id, f->glyph2ascii[t]);
for(s=0;s<f->use->num_neighbors;s++) {
if(f->use->neighbors[s].char2 == t) {