tree 122b401c6e80ff712d01f5c359039413b57c3534
parent a90c5af9d2a9b3fdbf083359d2d6ab7ba73d35e6
author Behdad Esfahbod <behdad@behdad.org> 1657308307 -0600
committer Behdad Esfahbod <behdad@behdad.org> 1657654972 -0600

[>64k:layout:(Chain)Context] Implement format 5

Implements part of https://github.com/be-fonts/boring-expansion-spec/issues/34

Subset does NOT lower format.