This repo has the Snippets and the Language grammar for Edge templating engine. Check out the below screenshots on how it looks like.
You all know how.
You can enable emmets auto-complete by dropping the below piece of code to your
'atom-text-editor[data-grammar="text html edge"]:not([mini])':'tab': 'emmet:expand-abbreviation-with-tab'
Good catch. Let us know what about this package looks wrong to you, and we'll investigate right away.