"emmet.triggerExpansionOnTab": true,

"files.associations": {
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    "*.ex": "elixir",
    "*.exs": "elixir",
    "*.eex": "html",
    "*.html.eex": "html",
    "*.leex": "html",
    "*.html.leex": "html",
"*.erb":"html"
  }