A client side implementation of the Incremental Font Transfer standard https://w3c.github.io/IFT/Overview.html#glyph-keyed
More specifically this provides:
Built on top of the read-fonts crate.
This library should not panic regardless of API misuse or use of corrupted/malicious font files. Please file an issue if this occurs.
Unsafe code is forbidden by a #![forbid(unsafe_code)] attribute in the root of the library.