This covers Adobe’s OpenType Feature File Specification used by the AFDKO. As well as syntax highlighting, there are also a couple of snippets for creating features, tables etc.
To add the package to Atom, search for the package “OpenType Feature Bundle.”
Alternatively, you may use Atom’s command line tools if you already have them installed.
apm install opentype-feature-bundle
This repository only contains the source code for the Atom package, which is based upon Brook Elgie’s original Textmate bundle.
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.