Merge new commits from 'master'

Author: rm-dr

Cargo.lock

@@ -16,17 +16,13 @@ repository = "https://github.com/tectonic-typesetting/tectonic/"
 readme = "README.md"
 license = "MIT"
 edition = "2018"
-links = "tectonic_engine_bibtex"
 
 [dependencies]
 libc = "^0.2"
 tectonic_io_base = { path = "../io_base", version = '0.0.0-dev.0' }
 tectonic_bridge_core = { path = "../bridge_core", version = "0.0.0-dev.0" }
 tectonic_errors = { path = "../errors", version = "0.0.0-dev.0" }
 
-[build-dependencies]
-cc = "^1.0.66"
-
 [package.metadata.internal_dep_versions]
 tectonic_bridge_core = "thiscommit:2021-01-17:fohCh1sh"
 tectonic_errors = "5c9ba661edf5ef669f24f9904f99cca369d999e7"

crates/bridge_harfbuzz/harfbuzz

@@ -17,15 +17,3 @@ project](https://tectonic-typesetting.github.io/en-US/). It provides the
 This crate does not currently provides any [Cargo features][features].
 
 [features]: https://doc.rust-lang.org/cargo/reference/features.html
-
-
-## Updating the generated header
-
-This crate exposes Rust functions to C/C++ code using a header file created by
-[cbindgen]. To update the header, run:
-
-[cbindgen]: https://github.com/eqrion/cbindgen/
-
-```sh
-cbindgen --output bibtex/bibtex_bindings.h
-```