/usr/share/vim/registry/msmtp.yaml is in msmtp 1.4.26-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | addon: msmtp
description: "allow syntax highlighting for msmtp configuration files"
files:
- syntax/msmtp.vim
|