What is this ?

Syntax highlighting of /etc/network/interfaces for vim
It is based on https://github.com/baitsalem/vim-interfaces

Remaining features to be implemented: IPv6

Installation

Copy files in /usr/share/vim/vim90/

cp -R ftdetect ftplugin syntax /usr/share/vim/vim90/

If not already do, enable syntax highlighting in vim

echo 'syntax on' >> /etc/vim/vimrc.local