RemixIconEx.Editor.h_1

You're seeing just the function h_1, go back to RemixIconEx.Editor module for more information.
Link to this function

h_1(icon_css_class \\ "icon")

iex> Elixir.RemixIconEx.Editor.h_1()
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24" class="icon">
  <path d="M13 20h-2v-7H4v7H2V4h2v7h7V4h2v16zm8-12v12h-2v-9.796l-2 .536V8.67L19.5 8H21z" />
</svg>

example usage

svg.icon {
  width: 96;
  height: 96;
}