This is the woff2 library from https://github.com/google/woff2. Upstream code can be viewed at https://github.com/google/woff2/tree/master and cloned by git clone https://github.com/google/woff2 The in-tree copy is updated by running sh update.sh from within the modules/woff2 directory. Current version: [commit 1bccf208bca986e53a647dfe4811322adb06ecf8].