./hb-shape Apple_Chancery_10_12.ttf  "Th th ll te to tr fr fu fj"
[T_h=0+2308|space=2+569|t_h=3+1687|space=5+569|l_l=6+1108|space=8+569|t_e=9+1408|space=11+569|t_o=12+1531|space=14+569|t_r=15+1385|space=17+569|f_r=18+1432|space=20+569|f_u=21+1733|space=23+569|f_j=24+1098]

Part of https://github.com/harfbuzz/harfbuzz/issues/1331

Untested.

Started by reverting https://github.com/harfbuzz/harfbuzz/commit/1f1c85a5

Just a starting point, if we agree even mort can come back.

Fixes https://github.com/harfbuzz/harfbuzz/issues/1338

https://github.com/harfbuzz/harfbuzz/pull/1254

Part of https://github.com/harfbuzz/harfbuzz/issues/1327

Co-Authored-By: n8willis <nwillis@glyphography.com>

Co-Authored-By: n8willis <nwillis@glyphography.com>

Co-Authored-By: n8willis <nwillis@glyphography.com>

Co-Authored-By: n8willis <nwillis@glyphography.com>

Co-Authored-By: n8willis <nwillis@glyphography.com>

Co-Authored-By: n8willis <nwillis@glyphography.com>