Found some more performance optimizations.

Use dupablePerformIO where relevant, & it doesn't incur excessive allocation.
Ensure amounts of output are dereferenced as quickly as large amounts are.

Optimize Harfbuzz-Pure.

Merge branch 'main' of git.argonaut-constellation.org:~alcinnz/harfbuzz-pure

Expose exception & update metadata.

Attempt fix regarding fontscale bitsizes.

Implement more typeclasses & ensure empty input don't throw errors.

Expose HarfBuzz 3.3 APIs, attempt 2.

Expose Harfbuzz 3.3 APIs.

Throw out-of-memory errors instead of segfaulting.

Merge branch 'master' of git.adrian.geek.nz:/srv/git/harfbuzz-pure

Documentation-compilation fixes, release v1!

Fix use of utf8-light dependency, dropping it.

Fix tag encoding & decoding (remembered hex digits are nybbles not bytes)

Document shaping & version-number APIs!

Finish documenting fonts!

Extend and document font & face language bindings.

Document Buffer API.

Correctly decode Harfbuzz output structs.

I didn't consider the presence of private-fields before!

Fix segfaults & include test assets (major refactor).

Finalize release 0.1!