tree 81c4bec733ba55de485c2c8e17c290430b2b28a7
parent 56e8a290328c6628a92971c7837f773194e7584f
author Garret Rieger <grieger@google.com> 1692827655 +0000
committer Garret Rieger <grieger@google.com> 1692831834 -0600

[repacker] create only one extension subtable per physical subtable.

During extension promotion when multiple lookups refer to a shared subtable node create and reuse a single extension subtable for it. Fixes: https://github.com/fonttools/fonttools/issues/3260.