Cargo Features

tectonic_engine_xetex has no features set by default.

[dependencies]
tectonic_engine_xetex = { version = "0.4.4", features = ["external-harfbuzz"] }
external-harfbuzz

Enables external-harfbuzz of tectonic_bridge_harfbuzz and tectonic_xetex_layout

tectonic_engine_xetex has 1 feature without comment.