Getting rid of mix warning for cli

Author: RobertDober

lib/earmark_parser/helpers/html_parser.ex

@@ -96,4 +96,5 @@ defmodule Earmark.Parser.Helpers.HtmlParser do
   defp _parse_rest([inner_line | rest], tag_tpl, lines) do
     _parse_rest(rest, tag_tpl, [inner_line | lines])
   end
-end
+end
+# SPDX-License-Identifier: Apache-2.0

mix.exs

@@ -56,6 +56,12 @@ defmodule Earmark.Mixfile do
     ]
   end
 
+  def cli do
+    [preferred_envs:
+      [coveralls: :test, "coveralls.detail": :test, "coveralls.post": :test, "coveralls.html": :test]
+    ]
+  end
+
   defp elixirc_paths(:test), do: ["lib", "test/support", "dev"]
   defp elixirc_paths(:dev), do: ["lib", "lib1", "bench", "dev"]
   defp elixirc_paths(_), do: ["lib", "lib1"]