Update Erlang highlights

* Macros that start with underscore were incorrectly marked as
  'comment.unused' rather than 'keyword.directive' due to an ordering
  issue of those two patterns.
* Recognize escripts as Erlang by the shebang.

1 files changed, 1 insertions, 0 deletions

diff --git a/languages.toml b/languages.toml
index 83a09b0b..2e6f5f95 100644
--- a/languages.toml
+++ b/languages.toml
@@ -1317,6 +1317,7 @@ scope = "source.erlang"
 injection-regex = "erl(ang)?"
 file-types = ["erl", "hrl", "app", "rebar.config", "rebar.lock"]
 roots = ["rebar.config"]
+shebangs = ["escript"]
 comment-token = "%%"
 indent = { tab-width = 4, unit = "    " }
 language-server = { command = "erlang_ls" }